123725440

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2109

約数の個数: 64

約数和(自身を含む): 298980360

約数和(自身を除く): 175254920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 776, 970, 1552, 1940, 1993, 3104, 3880, 3986, 6208, 7760, 7972, 9965, 12416, 15520, 15944, 19930, 31040, 31888, 39860, 62080, 63776, 79720, 127552, 159440, 193321, 255104, 318880, 386642, 637760, 773284, 966605, 1275520, 1546568, 1933210, 3093136, 3866420, 6186272, 7732840, 12372544, 15465680, 24745088, 30931360, 61862720, 123725440]

約数ペア:

[(1, 123725440), (2, 61862720), (4, 30931360), (5, 24745088), (8, 15465680), (10, 12372544), (16, 7732840), (20, 6186272), (32, 3866420), (40, 3093136), (64, 1933210), (80, 1546568), (97, 1275520), (128, 966605), (160, 773284), (194, 637760), (320, 386642), (388, 318880), (485, 255104), (640, 193321), (776, 159440), (970, 127552), (1552, 79720), (1940, 63776), (1993, 62080), (3104, 39860), (3880, 31888), (3986, 31040), (6208, 19930), (7760, 15944), (7972, 15520), (9965, 12416)]