102164140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20681}}^1$

素因数の和:20722

約数の個数: 48

約数和(自身を含む): 243220320

約数和(自身を除く): 141056180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 20681, 41362, 82724, 103405, 206810, 268853, 392939, 413620, 537706, 785878, 1075412, 1344265, 1571756, 1964695, 2688530, 3929390, 5108207, 5377060, 7858780, 10216414, 20432828, 25541035, 51082070, 102164140]

約数ペア:

[(1, 102164140), (2, 51082070), (4, 25541035), (5, 20432828), (10, 10216414), (13, 7858780), (19, 5377060), (20, 5108207), (26, 3929390), (38, 2688530), (52, 1964695), (65, 1571756), (76, 1344265), (95, 1075412), (130, 785878), (190, 537706), (247, 413620), (260, 392939), (380, 268853), (494, 206810), (988, 103405), (1235, 82724), (2470, 41362), (4940, 20681)]