56990440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109597}}^1$

素因数の和:109621

約数の個数: 32

約数和(自身を含む): 138093480

約数和(自身を除く): 81103040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 109597, 219194, 438388, 547985, 876776, 1095970, 1424761, 2191940, 2849522, 4383880, 5699044, 7123805, 11398088, 14247610, 28495220, 56990440]

約数ペア:

[(1, 56990440), (2, 28495220), (4, 14247610), (5, 11398088), (8, 7123805), (10, 5699044), (13, 4383880), (20, 2849522), (26, 2191940), (40, 1424761), (52, 1095970), (65, 876776), (104, 547985), (130, 438388), (260, 219194), (520, 109597)]