61955840

素因数分解:

$2^8\times 5^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 150234000

約数和(自身を除く): 88278160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 388, 485, 499, 640, 776, 970, 998, 1280, 1552, 1940, 1996, 2495, 3104, 3880, 3992, 4990, 6208, 7760, 7984, 9980, 12416, 15520, 15968, 19960, 24832, 31040, 31936, 39920, 48403, 62080, 63872, 79840, 96806, 124160, 127744, 159680, 193612, 242015, 319360, 387224, 484030, 638720, 774448, 968060, 1548896, 1936120, 3097792, 3872240, 6195584, 7744480, 12391168, 15488960, 30977920, 61955840]

約数ペア:

[(1, 61955840), (2, 30977920), (4, 15488960), (5, 12391168), (8, 7744480), (10, 6195584), (16, 3872240), (20, 3097792), (32, 1936120), (40, 1548896), (64, 968060), (80, 774448), (97, 638720), (128, 484030), (160, 387224), (194, 319360), (256, 242015), (320, 193612), (388, 159680), (485, 127744), (499, 124160), (640, 96806), (776, 79840), (970, 63872), (998, 62080), (1280, 48403), (1552, 39920), (1940, 31936), (1996, 31040), (2495, 24832), (3104, 19960), (3880, 15968), (3992, 15520), (4990, 12416), (6208, 9980), (7760, 7984)]