25788980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8009}}^1$

素因数の和:8048

約数の個数: 48

約数和(自身を含む): 64592640

約数和(自身を除く): 38803660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8009, 16018, 32036, 40045, 56063, 80090, 112126, 160180, 184207, 224252, 280315, 368414, 560630, 736828, 921035, 1121260, 1289449, 1842070, 2578898, 3684140, 5157796, 6447245, 12894490, 25788980]

約数ペア:

[(1, 25788980), (2, 12894490), (4, 6447245), (5, 5157796), (7, 3684140), (10, 2578898), (14, 1842070), (20, 1289449), (23, 1121260), (28, 921035), (35, 736828), (46, 560630), (70, 368414), (92, 280315), (115, 224252), (140, 184207), (161, 160180), (230, 112126), (322, 80090), (460, 56063), (644, 40045), (805, 32036), (1610, 16018), (3220, 8009)]