31598720

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 76469400

約数和(自身を除く): 44870680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 509, 640, 776, 970, 1018, 1552, 1940, 2036, 2545, 3104, 3880, 4072, 5090, 6208, 7760, 8144, 10180, 12416, 15520, 16288, 20360, 31040, 32576, 40720, 49373, 62080, 65152, 81440, 98746, 162880, 197492, 246865, 325760, 394984, 493730, 789968, 987460, 1579936, 1974920, 3159872, 3949840, 6319744, 7899680, 15799360, 31598720]

約数ペア:

[(1, 31598720), (2, 15799360), (4, 7899680), (5, 6319744), (8, 3949840), (10, 3159872), (16, 1974920), (20, 1579936), (32, 987460), (40, 789968), (64, 493730), (80, 394984), (97, 325760), (128, 246865), (160, 197492), (194, 162880), (320, 98746), (388, 81440), (485, 65152), (509, 62080), (640, 49373), (776, 40720), (970, 32576), (1018, 31040), (1552, 20360), (1940, 16288), (2036, 15520), (2545, 12416), (3104, 10180), (3880, 8144), (4072, 7760), (5090, 6208)]