28495220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109597}}^1$

素因数の和:109619

約数の個数: 24

約数和(自身を含む): 64443624

約数和(自身を除く): 35948404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109597, 219194, 438388, 547985, 1095970, 1424761, 2191940, 2849522, 5699044, 7123805, 14247610, 28495220]

約数ペア:

[(1, 28495220), (2, 14247610), (4, 7123805), (5, 5699044), (10, 2849522), (13, 2191940), (20, 1424761), (26, 1095970), (52, 547985), (65, 438388), (130, 219194), (260, 109597)]