2040888980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{191453}}^1$

素因数の和:191516

約数の個数: 48

約数和(自身を含む): 4728147984

約数和(自身を除く): 2687259004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 191453, 382906, 765812, 957265, 1914530, 2488889, 3829060, 4977778, 7849573, 9955556, 12444445, 15699146, 24888890, 31398292, 39247865, 49777780, 78495730, 102044449, 156991460, 204088898, 408177796, 510222245, 1020444490, 2040888980]

約数ペア:

[(1, 2040888980), (2, 1020444490), (4, 510222245), (5, 408177796), (10, 204088898), (13, 156991460), (20, 102044449), (26, 78495730), (41, 49777780), (52, 39247865), (65, 31398292), (82, 24888890), (130, 15699146), (164, 12444445), (205, 9955556), (260, 7849573), (410, 4977778), (533, 3829060), (820, 2488889), (1066, 1914530), (2132, 957265), (2665, 765812), (5330, 382906), (10660, 191453)]