257627360

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51941}}^1$

素因数の和:51987

約数の個数: 48

約数和(自身を含む): 628290432

約数和(自身を除く): 370663072

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, 51941, 103882, 207764, 259705, 415528, 519410, 831056, 1038820, 1610171, 1662112, 2077640, 3220342, 4155280, 6440684, 8050855, 8310560, 12881368, 16101710, 25762736, 32203420, 51525472, 64406840, 128813680, 257627360]

約数ペア:

[(1, 257627360), (2, 128813680), (4, 64406840), (5, 51525472), (8, 32203420), (10, 25762736), (16, 16101710), (20, 12881368), (31, 8310560), (32, 8050855), (40, 6440684), (62, 4155280), (80, 3220342), (124, 2077640), (155, 1662112), (160, 1610171), (248, 1038820), (310, 831056), (496, 519410), (620, 415528), (992, 259705), (1240, 207764), (2480, 103882), (4960, 51941)]