80308280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154439}}^1$

素因数の和:154463

約数の個数: 32

約数和(自身を含む): 194594400

約数和(自身を除く): 114286120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 154439, 308878, 617756, 772195, 1235512, 1544390, 2007707, 3088780, 4015414, 6177560, 8030828, 10038535, 16061656, 20077070, 40154140, 80308280]

約数ペア:

[(1, 80308280), (2, 40154140), (4, 20077070), (5, 16061656), (8, 10038535), (10, 8030828), (13, 6177560), (20, 4015414), (26, 3088780), (40, 2007707), (52, 1544390), (65, 1235512), (104, 772195), (130, 617756), (260, 308878), (520, 154439)]