31461280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6343}}^1$

素因数の和:6389

約数の個数: 48

約数和(自身を含む): 76737024

約数和(自身を除く): 45275744

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, 4960, 6343, 12686, 25372, 31715, 50744, 63430, 101488, 126860, 196633, 202976, 253720, 393266, 507440, 786532, 983165, 1014880, 1573064, 1966330, 3146128, 3932660, 6292256, 7865320, 15730640, 31461280]

約数ペア:

[(1, 31461280), (2, 15730640), (4, 7865320), (5, 6292256), (8, 3932660), (10, 3146128), (16, 1966330), (20, 1573064), (31, 1014880), (32, 983165), (40, 786532), (62, 507440), (80, 393266), (124, 253720), (155, 202976), (160, 196633), (248, 126860), (310, 101488), (496, 63430), (620, 50744), (992, 31715), (1240, 25372), (2480, 12686), (4960, 6343)]