13691525720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{21193}}^1$

素因数の和:21756

約数の個数: 64

約数和(自身を含む): 31862211840

約数和(自身を除く): 18170686120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 521, 620, 1042, 1240, 2084, 2605, 4168, 5210, 10420, 16151, 20840, 21193, 32302, 42386, 64604, 80755, 84772, 105965, 129208, 161510, 169544, 211930, 323020, 423860, 646040, 656983, 847720, 1313966, 2627932, 3284915, 5255864, 6569830, 11041553, 13139660, 22083106, 26279320, 44166212, 55207765, 88332424, 110415530, 220831060, 342288143, 441662120, 684576286, 1369152572, 1711440715, 2738305144, 3422881430, 6845762860, 13691525720]

約数ペア:

[(1, 13691525720), (2, 6845762860), (4, 3422881430), (5, 2738305144), (8, 1711440715), (10, 1369152572), (20, 684576286), (31, 441662120), (40, 342288143), (62, 220831060), (124, 110415530), (155, 88332424), (248, 55207765), (310, 44166212), (521, 26279320), (620, 22083106), (1042, 13139660), (1240, 11041553), (2084, 6569830), (2605, 5255864), (4168, 3284915), (5210, 2627932), (10420, 1313966), (16151, 847720), (20840, 656983), (21193, 646040), (32302, 423860), (42386, 323020), (64604, 211930), (80755, 169544), (84772, 161510), (105965, 129208)]