40620190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1153}}^1$

素因数の和:1444

約数の個数: 32

約数和(自身を含む): 79099776

約数和(自身を除く): 38479586

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 271, 542, 1153, 1355, 2306, 2710, 3523, 5765, 7046, 11530, 14989, 17615, 29978, 35230, 74945, 149890, 312463, 624926, 1562315, 3124630, 4062019, 8124038, 20310095, 40620190]

約数ペア:

[(1, 40620190), (2, 20310095), (5, 8124038), (10, 4062019), (13, 3124630), (26, 1562315), (65, 624926), (130, 312463), (271, 149890), (542, 74945), (1153, 35230), (1355, 29978), (2306, 17615), (2710, 14989), (3523, 11530), (5765, 7046)]