73938280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{142189}}^1$

素因数の和:142213

約数の個数: 32

約数和(自身を含む): 179159400

約数和(自身を除く): 105221120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 142189, 284378, 568756, 710945, 1137512, 1421890, 1848457, 2843780, 3696914, 5687560, 7393828, 9242285, 14787656, 18484570, 36969140, 73938280]

約数ペア:

[(1, 73938280), (2, 36969140), (4, 18484570), (5, 14787656), (8, 9242285), (10, 7393828), (13, 5687560), (20, 3696914), (26, 2843780), (40, 1848457), (52, 1421890), (65, 1137512), (104, 710945), (130, 568756), (260, 284378), (520, 142189)]