31432960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1889}}^1$

素因数の和:1923

約数の個数: 72

約数和(自身を含む): 81126360

約数和(自身を除く): 49693400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 1889, 2080, 3328, 3778, 4160, 7556, 8320, 9445, 15112, 16640, 18890, 24557, 30224, 37780, 49114, 60448, 75560, 98228, 120896, 122785, 151120, 196456, 241792, 245570, 302240, 392912, 483584, 491140, 604480, 785824, 982280, 1208960, 1571648, 1964560, 2417920, 3143296, 3929120, 6286592, 7858240, 15716480, 31432960]

約数ペア:

[(1, 31432960), (2, 15716480), (4, 7858240), (5, 6286592), (8, 3929120), (10, 3143296), (13, 2417920), (16, 1964560), (20, 1571648), (26, 1208960), (32, 982280), (40, 785824), (52, 604480), (64, 491140), (65, 483584), (80, 392912), (104, 302240), (128, 245570), (130, 241792), (160, 196456), (208, 151120), (256, 122785), (260, 120896), (320, 98228), (416, 75560), (520, 60448), (640, 49114), (832, 37780), (1040, 30224), (1280, 24557), (1664, 18890), (1889, 16640), (2080, 15112), (3328, 9445), (3778, 8320), (4160, 7556)]