6418240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:695

約数の個数: 56

約数和(自身を含む): 15800832

約数和(自身を除く): 9382592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 647, 992, 1240, 1294, 1984, 2480, 2588, 3235, 4960, 5176, 6470, 9920, 10352, 12940, 20057, 20704, 25880, 40114, 41408, 51760, 80228, 100285, 103520, 160456, 200570, 207040, 320912, 401140, 641824, 802280, 1283648, 1604560, 3209120, 6418240]

約数ペア:

[(1, 6418240), (2, 3209120), (4, 1604560), (5, 1283648), (8, 802280), (10, 641824), (16, 401140), (20, 320912), (31, 207040), (32, 200570), (40, 160456), (62, 103520), (64, 100285), (80, 80228), (124, 51760), (155, 41408), (160, 40114), (248, 25880), (310, 20704), (320, 20057), (496, 12940), (620, 10352), (647, 9920), (992, 6470), (1240, 5176), (1294, 4960), (1984, 3235), (2480, 2588)]