25707440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 65995776

約数和(自身を除く): 40288336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 131, 176, 220, 223, 262, 440, 446, 524, 655, 880, 892, 1048, 1115, 1310, 1441, 1784, 2096, 2230, 2453, 2620, 2882, 3568, 4460, 4906, 5240, 5764, 7205, 8920, 9812, 10480, 11528, 12265, 14410, 17840, 19624, 23056, 24530, 28820, 29213, 39248, 49060, 57640, 58426, 98120, 115280, 116852, 146065, 196240, 233704, 292130, 321343, 467408, 584260, 642686, 1168520, 1285372, 1606715, 2337040, 2570744, 3213430, 5141488, 6426860, 12853720, 25707440]

約数ペア:

[(1, 25707440), (2, 12853720), (4, 6426860), (5, 5141488), (8, 3213430), (10, 2570744), (11, 2337040), (16, 1606715), (20, 1285372), (22, 1168520), (40, 642686), (44, 584260), (55, 467408), (80, 321343), (88, 292130), (110, 233704), (131, 196240), (176, 146065), (220, 116852), (223, 115280), (262, 98120), (440, 58426), (446, 57640), (524, 49060), (655, 39248), (880, 29213), (892, 28820), (1048, 24530), (1115, 23056), (1310, 19624), (1441, 17840), (1784, 14410), (2096, 12265), (2230, 11528), (2453, 10480), (2620, 9812), (2882, 8920), (3568, 7205), (4460, 5764), (4906, 5240)]