28428920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2377}}^1$

素因数の和:2424

約数の個数: 64

約数和(自身を含む): 71910720

約数和(自身を除く): 43481800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2377, 2392, 2990, 4754, 5980, 9508, 11885, 11960, 19016, 23770, 30901, 47540, 54671, 61802, 95080, 109342, 123604, 154505, 218684, 247208, 273355, 309010, 437368, 546710, 618020, 710723, 1093420, 1236040, 1421446, 2186840, 2842892, 3553615, 5685784, 7107230, 14214460, 28428920]

約数ペア:

[(1, 28428920), (2, 14214460), (4, 7107230), (5, 5685784), (8, 3553615), (10, 2842892), (13, 2186840), (20, 1421446), (23, 1236040), (26, 1093420), (40, 710723), (46, 618020), (52, 546710), (65, 437368), (92, 309010), (104, 273355), (115, 247208), (130, 218684), (184, 154505), (230, 123604), (260, 109342), (299, 95080), (460, 61802), (520, 54671), (598, 47540), (920, 30901), (1196, 23770), (1495, 19016), (2377, 11960), (2392, 11885), (2990, 9508), (4754, 5980)]