79873040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76801}}^1$

素因数の和:76827

約数の個数: 40

約数和(自身を含む): 199992408

約数和(自身を除く): 120119368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 76801, 153602, 307204, 384005, 614408, 768010, 998413, 1228816, 1536020, 1996826, 3072040, 3993652, 4992065, 6144080, 7987304, 9984130, 15974608, 19968260, 39936520, 79873040]

約数ペア:

[(1, 79873040), (2, 39936520), (4, 19968260), (5, 15974608), (8, 9984130), (10, 7987304), (13, 6144080), (16, 4992065), (20, 3993652), (26, 3072040), (40, 1996826), (52, 1536020), (65, 1228816), (80, 998413), (104, 768010), (130, 614408), (208, 384005), (260, 307204), (520, 153602), (1040, 76801)]