22701440

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 55080000

約数和(自身を除く): 32378560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 449, 632, 640, 790, 898, 1264, 1580, 1796, 2245, 2528, 3160, 3592, 4490, 5056, 6320, 7184, 8980, 10112, 12640, 14368, 17960, 25280, 28736, 35471, 35920, 50560, 57472, 70942, 71840, 141884, 143680, 177355, 283768, 287360, 354710, 567536, 709420, 1135072, 1418840, 2270144, 2837680, 4540288, 5675360, 11350720, 22701440]

約数ペア:

[(1, 22701440), (2, 11350720), (4, 5675360), (5, 4540288), (8, 2837680), (10, 2270144), (16, 1418840), (20, 1135072), (32, 709420), (40, 567536), (64, 354710), (79, 287360), (80, 283768), (128, 177355), (158, 143680), (160, 141884), (316, 71840), (320, 70942), (395, 57472), (449, 50560), (632, 35920), (640, 35471), (790, 28736), (898, 25280), (1264, 17960), (1580, 14368), (1796, 12640), (2245, 10112), (2528, 8980), (3160, 7184), (3592, 6320), (4490, 5056)]