40918720

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1801}}^1$

素因数の和:1889

約数の個数: 56

約数和(自身を含む): 98864928

約数和(自身を除く): 57946208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 1801, 2272, 2840, 3602, 4544, 5680, 7204, 9005, 11360, 14408, 18010, 22720, 28816, 36020, 57632, 72040, 115264, 127871, 144080, 255742, 288160, 511484, 576320, 639355, 1022968, 1278710, 2045936, 2557420, 4091872, 5114840, 8183744, 10229680, 20459360, 40918720]

約数ペア:

[(1, 40918720), (2, 20459360), (4, 10229680), (5, 8183744), (8, 5114840), (10, 4091872), (16, 2557420), (20, 2045936), (32, 1278710), (40, 1022968), (64, 639355), (71, 576320), (80, 511484), (142, 288160), (160, 255742), (284, 144080), (320, 127871), (355, 115264), (568, 72040), (710, 57632), (1136, 36020), (1420, 28816), (1801, 22720), (2272, 18010), (2840, 14408), (3602, 11360), (4544, 9005), (5680, 7204)]