23221880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{593}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 57736800

約数和(自身を除く): 34514920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 593, 712, 890, 979, 1186, 1780, 1958, 2372, 2965, 3560, 3916, 4744, 4895, 5930, 6523, 7832, 9790, 11860, 13046, 19580, 23720, 26092, 32615, 39160, 52184, 52777, 65230, 105554, 130460, 211108, 260920, 263885, 422216, 527770, 580547, 1055540, 1161094, 2111080, 2322188, 2902735, 4644376, 5805470, 11610940, 23221880]

約数ペア:

[(1, 23221880), (2, 11610940), (4, 5805470), (5, 4644376), (8, 2902735), (10, 2322188), (11, 2111080), (20, 1161094), (22, 1055540), (40, 580547), (44, 527770), (55, 422216), (88, 263885), (89, 260920), (110, 211108), (178, 130460), (220, 105554), (356, 65230), (440, 52777), (445, 52184), (593, 39160), (712, 32615), (890, 26092), (979, 23720), (1186, 19580), (1780, 13046), (1958, 11860), (2372, 9790), (2965, 7832), (3560, 6523), (3916, 5930), (4744, 4895)]