220126040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1063}}^1$

素因数の和:1272

約数の個数: 64

約数和(自身を含む): 514805760

約数和(自身を除く): 294679720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 167, 248, 310, 334, 620, 668, 835, 1063, 1240, 1336, 1670, 2126, 3340, 4252, 5177, 5315, 6680, 8504, 10354, 10630, 20708, 21260, 25885, 32953, 41416, 42520, 51770, 65906, 103540, 131812, 164765, 177521, 207080, 263624, 329530, 355042, 659060, 710084, 887605, 1318120, 1420168, 1775210, 3550420, 5503151, 7100840, 11006302, 22012604, 27515755, 44025208, 55031510, 110063020, 220126040]

約数ペア:

[(1, 220126040), (2, 110063020), (4, 55031510), (5, 44025208), (8, 27515755), (10, 22012604), (20, 11006302), (31, 7100840), (40, 5503151), (62, 3550420), (124, 1775210), (155, 1420168), (167, 1318120), (248, 887605), (310, 710084), (334, 659060), (620, 355042), (668, 329530), (835, 263624), (1063, 207080), (1240, 177521), (1336, 164765), (1670, 131812), (2126, 103540), (3340, 65906), (4252, 51770), (5177, 42520), (5315, 41416), (6680, 32953), (8504, 25885), (10354, 21260), (10630, 20708)]