259483640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16097}}^1$

素因数の和:16152

約数の個数: 64

約数和(自身を含む): 649071360

約数和(自身を除く): 389587720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16097, 16120, 32194, 64388, 80485, 128776, 160970, 209261, 321940, 418522, 499007, 643880, 837044, 998014, 1046305, 1674088, 1996028, 2092610, 2495035, 3992056, 4185220, 4990070, 6487091, 8370440, 9980140, 12974182, 19960280, 25948364, 32435455, 51896728, 64870910, 129741820, 259483640]

約数ペア:

[(1, 259483640), (2, 129741820), (4, 64870910), (5, 51896728), (8, 32435455), (10, 25948364), (13, 19960280), (20, 12974182), (26, 9980140), (31, 8370440), (40, 6487091), (52, 4990070), (62, 4185220), (65, 3992056), (104, 2495035), (124, 2092610), (130, 1996028), (155, 1674088), (248, 1046305), (260, 998014), (310, 837044), (403, 643880), (520, 499007), (620, 418522), (806, 321940), (1240, 209261), (1612, 160970), (2015, 128776), (3224, 80485), (4030, 64388), (8060, 32194), (16097, 16120)]