31108480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3739}}^1$

素因数の和:3771

約数の個数: 64

約数和(自身を含む): 80110800

約数和(自身を除く): 49002320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3739, 4160, 7478, 8320, 14956, 18695, 29912, 37390, 48607, 59824, 74780, 97214, 119648, 149560, 194428, 239296, 243035, 299120, 388856, 478592, 486070, 598240, 777712, 972140, 1196480, 1555424, 1944280, 2392960, 3110848, 3888560, 6221696, 7777120, 15554240, 31108480]

約数ペア:

[(1, 31108480), (2, 15554240), (4, 7777120), (5, 6221696), (8, 3888560), (10, 3110848), (13, 2392960), (16, 1944280), (20, 1555424), (26, 1196480), (32, 972140), (40, 777712), (52, 598240), (64, 486070), (65, 478592), (80, 388856), (104, 299120), (128, 243035), (130, 239296), (160, 194428), (208, 149560), (260, 119648), (320, 97214), (416, 74780), (520, 59824), (640, 48607), (832, 37390), (1040, 29912), (1664, 18695), (2080, 14956), (3739, 8320), (4160, 7478)]