25327640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 62596800

約数和(自身を除く): 37269160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 919, 1060, 1378, 1838, 2120, 2756, 3445, 3676, 4595, 5512, 6890, 7352, 9190, 11947, 13780, 18380, 23894, 27560, 36760, 47788, 48707, 59735, 95576, 97414, 119470, 194828, 238940, 243535, 389656, 477880, 487070, 633191, 974140, 1266382, 1948280, 2532764, 3165955, 5065528, 6331910, 12663820, 25327640]

約数ペア:

[(1, 25327640), (2, 12663820), (4, 6331910), (5, 5065528), (8, 3165955), (10, 2532764), (13, 1948280), (20, 1266382), (26, 974140), (40, 633191), (52, 487070), (53, 477880), (65, 389656), (104, 243535), (106, 238940), (130, 194828), (212, 119470), (260, 97414), (265, 95576), (424, 59735), (520, 48707), (530, 47788), (689, 36760), (919, 27560), (1060, 23894), (1378, 18380), (1838, 13780), (2120, 11947), (2756, 9190), (3445, 7352), (3676, 6890), (4595, 5512)]