25273990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 56586240

約数和(自身を除く): 31312250

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 434, 589, 613, 665, 1085, 1178, 1226, 1330, 2170, 2945, 3065, 4123, 4291, 5890, 6130, 8246, 8582, 11647, 19003, 20615, 21455, 23294, 38006, 41230, 42910, 58235, 81529, 95015, 116470, 133021, 163058, 190030, 266042, 361057, 407645, 665105, 722114, 815290, 1330210, 1805285, 2527399, 3610570, 5054798, 12636995, 25273990]

約数ペア:

[(1, 25273990), (2, 12636995), (5, 5054798), (7, 3610570), (10, 2527399), (14, 1805285), (19, 1330210), (31, 815290), (35, 722114), (38, 665105), (62, 407645), (70, 361057), (95, 266042), (133, 190030), (155, 163058), (190, 133021), (217, 116470), (266, 95015), (310, 81529), (434, 58235), (589, 42910), (613, 41230), (665, 38006), (1085, 23294), (1178, 21455), (1226, 20615), (1330, 19003), (2170, 11647), (2945, 8582), (3065, 8246), (4123, 6130), (4291, 5890)]