23269880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 54552960

約数和(自身を除く): 31283080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 83, 86, 163, 166, 172, 215, 326, 332, 344, 415, 430, 652, 664, 815, 830, 860, 1304, 1630, 1660, 1720, 3260, 3320, 3569, 6520, 7009, 7138, 13529, 14018, 14276, 17845, 27058, 28036, 28552, 35045, 35690, 54116, 56072, 67645, 70090, 71380, 108232, 135290, 140180, 142760, 270580, 280360, 541160, 581747, 1163494, 2326988, 2908735, 4653976, 5817470, 11634940, 23269880]

約数ペア:

[(1, 23269880), (2, 11634940), (4, 5817470), (5, 4653976), (8, 2908735), (10, 2326988), (20, 1163494), (40, 581747), (43, 541160), (83, 280360), (86, 270580), (163, 142760), (166, 140180), (172, 135290), (215, 108232), (326, 71380), (332, 70090), (344, 67645), (415, 56072), (430, 54116), (652, 35690), (664, 35045), (815, 28552), (830, 28036), (860, 27058), (1304, 17845), (1630, 14276), (1660, 14018), (1720, 13529), (3260, 7138), (3320, 7009), (3569, 6520)]