1640386768

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{13879}}^1$

素因数の和:14059

約数の個数: 40

約数和(自身を含む): 3252916800

約数和(自身を除く): 1612530032

約数列:

[1, 2, 4, 8, 16, 83, 89, 166, 178, 332, 356, 664, 712, 1328, 1424, 7387, 13879, 14774, 27758, 29548, 55516, 59096, 111032, 118192, 222064, 1151957, 1235231, 2303914, 2470462, 4607828, 4940924, 9215656, 9881848, 18431312, 19763696, 102524173, 205048346, 410096692, 820193384, 1640386768]

約数ペア:

[(1, 1640386768), (2, 820193384), (4, 410096692), (8, 205048346), (16, 102524173), (83, 19763696), (89, 18431312), (166, 9881848), (178, 9215656), (332, 4940924), (356, 4607828), (664, 2470462), (712, 2303914), (1328, 1235231), (1424, 1151957), (7387, 222064), (13879, 118192), (14774, 111032), (27758, 59096), (29548, 55516)]