40668160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:98

約数の個数: 132

約数和(自身を含む): 107885088

約数和(自身を除く): 67216928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 128, 130, 160, 169, 188, 208, 235, 256, 260, 320, 338, 376, 416, 470, 512, 520, 611, 640, 676, 752, 832, 845, 940, 1024, 1040, 1222, 1280, 1352, 1504, 1664, 1690, 1880, 2080, 2444, 2560, 2704, 3008, 3055, 3328, 3380, 3760, 4160, 4888, 5120, 5408, 6016, 6110, 6656, 6760, 7520, 7943, 8320, 9776, 10816, 12032, 12220, 13312, 13520, 15040, 15886, 16640, 19552, 21632, 24064, 24440, 27040, 30080, 31772, 33280, 39104, 39715, 43264, 48128, 48880, 54080, 60160, 63544, 66560, 78208, 79430, 86528, 97760, 108160, 120320, 127088, 156416, 158860, 173056, 195520, 216320, 240640, 254176, 312832, 317720, 391040, 432640, 508352, 625664, 635440, 782080, 865280, 1016704, 1270880, 1564160, 2033408, 2541760, 3128320, 4066816, 5083520, 8133632, 10167040, 20334080, 40668160]

約数ペア:

[(1, 40668160), (2, 20334080), (4, 10167040), (5, 8133632), (8, 5083520), (10, 4066816), (13, 3128320), (16, 2541760), (20, 2033408), (26, 1564160), (32, 1270880), (40, 1016704), (47, 865280), (52, 782080), (64, 635440), (65, 625664), (80, 508352), (94, 432640), (104, 391040), (128, 317720), (130, 312832), (160, 254176), (169, 240640), (188, 216320), (208, 195520), (235, 173056), (256, 158860), (260, 156416), (320, 127088), (338, 120320), (376, 108160), (416, 97760), (470, 86528), (512, 79430), (520, 78208), (611, 66560), (640, 63544), (676, 60160), (752, 54080), (832, 48880), (845, 48128), (940, 43264), (1024, 39715), (1040, 39104), (1222, 33280), (1280, 31772), (1352, 30080), (1504, 27040), (1664, 24440), (1690, 24064), (1880, 21632), (2080, 19552), (2444, 16640), (2560, 15886), (2704, 15040), (3008, 13520), (3055, 13312), (3328, 12220), (3380, 12032), (3760, 10816), (4160, 9776), (4888, 8320), (5120, 7943), (5408, 7520), (6016, 6760), (6110, 6656)]