90679420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1523}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 206105760

約数和(自身を除く): 115426340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 229, 260, 458, 916, 1145, 1523, 2290, 2977, 3046, 4580, 5954, 6092, 7615, 11908, 14885, 15230, 19799, 29770, 30460, 39598, 59540, 79196, 98995, 197990, 348767, 395980, 697534, 1395068, 1743835, 3487670, 4533971, 6975340, 9067942, 18135884, 22669855, 45339710, 90679420]

約数ペア:

[(1, 90679420), (2, 45339710), (4, 22669855), (5, 18135884), (10, 9067942), (13, 6975340), (20, 4533971), (26, 3487670), (52, 1743835), (65, 1395068), (130, 697534), (229, 395980), (260, 348767), (458, 197990), (916, 98995), (1145, 79196), (1523, 59540), (2290, 39598), (2977, 30460), (3046, 29770), (4580, 19799), (5954, 15230), (6092, 14885), (7615, 11908)]