15770320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6359}}^1$

素因数の和:6403

約数の個数: 40

約数和(自身を含む): 37854720

約数和(自身を除く): 22084400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6359, 12718, 25436, 31795, 50872, 63590, 101744, 127180, 197129, 254360, 394258, 508720, 788516, 985645, 1577032, 1971290, 3154064, 3942580, 7885160, 15770320]

約数ペア:

[(1, 15770320), (2, 7885160), (4, 3942580), (5, 3154064), (8, 1971290), (10, 1577032), (16, 985645), (20, 788516), (31, 508720), (40, 394258), (62, 254360), (80, 197129), (124, 127180), (155, 101744), (248, 63590), (310, 50872), (496, 31795), (620, 25436), (1240, 12718), (2480, 6359)]