17940320

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3617}}^1$

素因数の和:3663

約数の個数: 48

約数和(自身を含む): 43763328

約数和(自身を除く): 25823008

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, 3617, 4960, 7234, 14468, 18085, 28936, 36170, 57872, 72340, 112127, 115744, 144680, 224254, 289360, 448508, 560635, 578720, 897016, 1121270, 1794032, 2242540, 3588064, 4485080, 8970160, 17940320]

約数ペア:

[(1, 17940320), (2, 8970160), (4, 4485080), (5, 3588064), (8, 2242540), (10, 1794032), (16, 1121270), (20, 897016), (31, 578720), (32, 560635), (40, 448508), (62, 289360), (80, 224254), (124, 144680), (155, 115744), (160, 112127), (248, 72340), (310, 57872), (496, 36170), (620, 28936), (992, 18085), (1240, 14468), (2480, 7234), (3617, 4960)]