16660640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3359}}^1$

素因数の和:3405

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 23981920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 3359, 4960, 6718, 13436, 16795, 26872, 33590, 53744, 67180, 104129, 107488, 134360, 208258, 268720, 416516, 520645, 537440, 833032, 1041290, 1666064, 2082580, 3332128, 4165160, 8330320, 16660640]

約数ペア:

[(1, 16660640), (2, 8330320), (4, 4165160), (5, 3332128), (8, 2082580), (10, 1666064), (16, 1041290), (20, 833032), (31, 537440), (32, 520645), (40, 416516), (62, 268720), (80, 208258), (124, 134360), (155, 107488), (160, 104129), (248, 67180), (310, 53744), (496, 33590), (620, 26872), (992, 16795), (1240, 13436), (2480, 6718), (3359, 4960)]