15856340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 34779024

約数和(自身を除く): 18922684

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 317, 410, 610, 634, 820, 1220, 1268, 1585, 2501, 3170, 5002, 6340, 10004, 12505, 12997, 19337, 25010, 25994, 38674, 50020, 51988, 64985, 77348, 96685, 129970, 193370, 259940, 386740, 792817, 1585634, 3171268, 3964085, 7928170, 15856340]

約数ペア:

[(1, 15856340), (2, 7928170), (4, 3964085), (5, 3171268), (10, 1585634), (20, 792817), (41, 386740), (61, 259940), (82, 193370), (122, 129970), (164, 96685), (205, 77348), (244, 64985), (305, 51988), (317, 50020), (410, 38674), (610, 25994), (634, 25010), (820, 19337), (1220, 12997), (1268, 12505), (1585, 10004), (2501, 6340), (3170, 5002)]