25555740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:947

約数の個数: 96

約数和(自身を含む): 83026944

約数和(自身を除く): 57471204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 857, 994, 1065, 1420, 1491, 1714, 1988, 2130, 2485, 2571, 2982, 3428, 4260, 4285, 4970, 5142, 5964, 5999, 7455, 8570, 9940, 10284, 11998, 12855, 14910, 17140, 17997, 23996, 25710, 29820, 29995, 35994, 51420, 59990, 60847, 71988, 89985, 119980, 121694, 179970, 182541, 243388, 304235, 359940, 365082, 425929, 608470, 730164, 851858, 912705, 1216940, 1277787, 1703716, 1825410, 2129645, 2555574, 3650820, 4259290, 5111148, 6388935, 8518580, 12777870, 25555740]

約数ペア:

[(1, 25555740), (2, 12777870), (3, 8518580), (4, 6388935), (5, 5111148), (6, 4259290), (7, 3650820), (10, 2555574), (12, 2129645), (14, 1825410), (15, 1703716), (20, 1277787), (21, 1216940), (28, 912705), (30, 851858), (35, 730164), (42, 608470), (60, 425929), (70, 365082), (71, 359940), (84, 304235), (105, 243388), (140, 182541), (142, 179970), (210, 121694), (213, 119980), (284, 89985), (355, 71988), (420, 60847), (426, 59990), (497, 51420), (710, 35994), (852, 29995), (857, 29820), (994, 25710), (1065, 23996), (1420, 17997), (1491, 17140), (1714, 14910), (1988, 12855), (2130, 11998), (2485, 10284), (2571, 9940), (2982, 8570), (3428, 7455), (4260, 5999), (4285, 5964), (4970, 5142)]