89987560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173053}}^1$

素因数の和:173077

約数の個数: 32

約数和(自身を含む): 218048040

約数和(自身を除く): 128060480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 173053, 346106, 692212, 865265, 1384424, 1730530, 2249689, 3461060, 4499378, 6922120, 8998756, 11248445, 17997512, 22496890, 44993780, 89987560]

約数ペア:

[(1, 89987560), (2, 44993780), (4, 22496890), (5, 17997512), (8, 11248445), (10, 8998756), (13, 6922120), (20, 4499378), (26, 3461060), (40, 2249689), (52, 1730530), (65, 1384424), (104, 865265), (130, 692212), (260, 346106), (520, 173053)]