404563640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25097}}^1$

素因数の和:25152

約数の個数: 64

約数和(自身を含む): 1011951360

約数和(自身を除く): 607387720

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, 16120, 25097, 50194, 100388, 125485, 200776, 250970, 326261, 501940, 652522, 778007, 1003880, 1305044, 1556014, 1631305, 2610088, 3112028, 3262610, 3890035, 6224056, 6525220, 7780070, 10114091, 13050440, 15560140, 20228182, 31120280, 40456364, 50570455, 80912728, 101140910, 202281820, 404563640]

約数ペア:

[(1, 404563640), (2, 202281820), (4, 101140910), (5, 80912728), (8, 50570455), (10, 40456364), (13, 31120280), (20, 20228182), (26, 15560140), (31, 13050440), (40, 10114091), (52, 7780070), (62, 6525220), (65, 6224056), (104, 3890035), (124, 3262610), (130, 3112028), (155, 2610088), (248, 1631305), (260, 1556014), (310, 1305044), (403, 1003880), (520, 778007), (620, 652522), (806, 501940), (1240, 326261), (1612, 250970), (2015, 200776), (3224, 125485), (4030, 100388), (8060, 50194), (16120, 25097)]