51370720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10357}}^1$

素因数の和:10403

約数の個数: 48

約数和(自身を含む): 125290368

約数和(自身を除く): 73919648

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, 10357, 20714, 41428, 51785, 82856, 103570, 165712, 207140, 321067, 331424, 414280, 642134, 828560, 1284268, 1605335, 1657120, 2568536, 3210670, 5137072, 6421340, 10274144, 12842680, 25685360, 51370720]

約数ペア:

[(1, 51370720), (2, 25685360), (4, 12842680), (5, 10274144), (8, 6421340), (10, 5137072), (16, 3210670), (20, 2568536), (31, 1657120), (32, 1605335), (40, 1284268), (62, 828560), (80, 642134), (124, 414280), (155, 331424), (160, 321067), (248, 207140), (310, 165712), (496, 103570), (620, 82856), (992, 51785), (1240, 41428), (2480, 20714), (4960, 10357)]