81836560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6053}}^1$

素因数の和:6092

約数の個数: 60

約数和(自身を含む): 206066052

約数和(自身を除く): 124229492

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6053, 6760, 12106, 13520, 24212, 30265, 48424, 60530, 78689, 96848, 121060, 157378, 242120, 314756, 393445, 484240, 629512, 786890, 1022957, 1259024, 1573780, 2045914, 3147560, 4091828, 5114785, 6295120, 8183656, 10229570, 16367312, 20459140, 40918280, 81836560]

約数ペア:

[(1, 81836560), (2, 40918280), (4, 20459140), (5, 16367312), (8, 10229570), (10, 8183656), (13, 6295120), (16, 5114785), (20, 4091828), (26, 3147560), (40, 2045914), (52, 1573780), (65, 1259024), (80, 1022957), (104, 786890), (130, 629512), (169, 484240), (208, 393445), (260, 314756), (338, 242120), (520, 157378), (676, 121060), (845, 96848), (1040, 78689), (1352, 60530), (1690, 48424), (2704, 30265), (3380, 24212), (6053, 13520), (6760, 12106)]