15709983320

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1254791}}^1$

素因数の和:1255115

約数の個数: 32

約数和(自身を含む): 35460421920

約数和(自身を除く): 19750438600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 1254791, 2509582, 5019164, 6273955, 10038328, 12547910, 25095820, 50191640, 392749583, 785499166, 1570998332, 1963747915, 3141996664, 3927495830, 7854991660, 15709983320]

約数ペア:

[(1, 15709983320), (2, 7854991660), (4, 3927495830), (5, 3141996664), (8, 1963747915), (10, 1570998332), (20, 785499166), (40, 392749583), (313, 50191640), (626, 25095820), (1252, 12547910), (1565, 10038328), (2504, 6273955), (3130, 5019164), (6260, 2509582), (12520, 1254791)]