28936960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 78293376

約数和(自身を除く): 49356416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 47, 52, 64, 65, 74, 80, 94, 104, 128, 130, 148, 160, 185, 188, 208, 235, 256, 260, 296, 320, 370, 376, 416, 470, 481, 520, 592, 611, 640, 740, 752, 832, 940, 962, 1040, 1184, 1222, 1280, 1480, 1504, 1664, 1739, 1880, 1924, 2080, 2368, 2405, 2444, 2960, 3008, 3055, 3328, 3478, 3760, 3848, 4160, 4736, 4810, 4888, 5920, 6016, 6110, 6956, 7520, 7696, 8320, 8695, 9472, 9620, 9776, 11840, 12032, 12220, 13912, 15040, 15392, 16640, 17390, 19240, 19552, 22607, 23680, 24440, 27824, 30080, 30784, 34780, 38480, 39104, 45214, 47360, 48880, 55648, 60160, 61568, 69560, 76960, 78208, 90428, 97760, 111296, 113035, 123136, 139120, 153920, 156416, 180856, 195520, 222592, 226070, 278240, 307840, 361712, 391040, 445184, 452140, 556480, 615680, 723424, 782080, 904280, 1112960, 1446848, 1808560, 2225920, 2893696, 3617120, 5787392, 7234240, 14468480, 28936960]

約数ペア:

[(1, 28936960), (2, 14468480), (4, 7234240), (5, 5787392), (8, 3617120), (10, 2893696), (13, 2225920), (16, 1808560), (20, 1446848), (26, 1112960), (32, 904280), (37, 782080), (40, 723424), (47, 615680), (52, 556480), (64, 452140), (65, 445184), (74, 391040), (80, 361712), (94, 307840), (104, 278240), (128, 226070), (130, 222592), (148, 195520), (160, 180856), (185, 156416), (188, 153920), (208, 139120), (235, 123136), (256, 113035), (260, 111296), (296, 97760), (320, 90428), (370, 78208), (376, 76960), (416, 69560), (470, 61568), (481, 60160), (520, 55648), (592, 48880), (611, 47360), (640, 45214), (740, 39104), (752, 38480), (832, 34780), (940, 30784), (962, 30080), (1040, 27824), (1184, 24440), (1222, 23680), (1280, 22607), (1480, 19552), (1504, 19240), (1664, 17390), (1739, 16640), (1880, 15392), (1924, 15040), (2080, 13912), (2368, 12220), (2405, 12032), (2444, 11840), (2960, 9776), (3008, 9620), (3055, 9472), (3328, 8695), (3478, 8320), (3760, 7696), (3848, 7520), (4160, 6956), (4736, 6110), (4810, 6016), (4888, 5920)]