4568720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 11999232

約数和(自身を除く): 7430512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 191, 208, 230, 260, 299, 368, 382, 460, 520, 598, 764, 920, 955, 1040, 1196, 1495, 1528, 1840, 1910, 2392, 2483, 2990, 3056, 3820, 4393, 4784, 4966, 5980, 7640, 8786, 9932, 11960, 12415, 15280, 17572, 19864, 21965, 23920, 24830, 35144, 39728, 43930, 49660, 57109, 70288, 87860, 99320, 114218, 175720, 198640, 228436, 285545, 351440, 456872, 571090, 913744, 1142180, 2284360, 4568720]

約数ペア:

[(1, 4568720), (2, 2284360), (4, 1142180), (5, 913744), (8, 571090), (10, 456872), (13, 351440), (16, 285545), (20, 228436), (23, 198640), (26, 175720), (40, 114218), (46, 99320), (52, 87860), (65, 70288), (80, 57109), (92, 49660), (104, 43930), (115, 39728), (130, 35144), (184, 24830), (191, 23920), (208, 21965), (230, 19864), (260, 17572), (299, 15280), (368, 12415), (382, 11960), (460, 9932), (520, 8786), (598, 7640), (764, 5980), (920, 4966), (955, 4784), (1040, 4393), (1196, 3820), (1495, 3056), (1528, 2990), (1840, 2483), (1910, 2392)]