102020120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 243064800

約数和(自身を除く): 141044680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 241, 380, 482, 557, 760, 964, 1114, 1205, 1928, 2228, 2410, 2785, 4456, 4579, 4820, 5570, 9158, 9640, 10583, 11140, 18316, 21166, 22280, 22895, 36632, 42332, 45790, 52915, 84664, 91580, 105830, 134237, 183160, 211660, 268474, 423320, 536948, 671185, 1073896, 1342370, 2550503, 2684740, 5101006, 5369480, 10202012, 12752515, 20404024, 25505030, 51010060, 102020120]

約数ペア:

[(1, 102020120), (2, 51010060), (4, 25505030), (5, 20404024), (8, 12752515), (10, 10202012), (19, 5369480), (20, 5101006), (38, 2684740), (40, 2550503), (76, 1342370), (95, 1073896), (152, 671185), (190, 536948), (241, 423320), (380, 268474), (482, 211660), (557, 183160), (760, 134237), (964, 105830), (1114, 91580), (1205, 84664), (1928, 52915), (2228, 45790), (2410, 42332), (2785, 36632), (4456, 22895), (4579, 22280), (4820, 21166), (5570, 18316), (9158, 11140), (9640, 10583)]