9963980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2017}}^1$

素因数の和:2058

約数の個数: 48

約数和(自身を含む): 23731680

約数和(自身を除く): 13767700

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, 2017, 2470, 4034, 4940, 8068, 10085, 20170, 26221, 38323, 40340, 52442, 76646, 104884, 131105, 153292, 191615, 262210, 383230, 498199, 524420, 766460, 996398, 1992796, 2490995, 4981990, 9963980]

約数ペア:

[(1, 9963980), (2, 4981990), (4, 2490995), (5, 1992796), (10, 996398), (13, 766460), (19, 524420), (20, 498199), (26, 383230), (38, 262210), (52, 191615), (65, 153292), (76, 131105), (95, 104884), (130, 76646), (190, 52442), (247, 40340), (260, 38323), (380, 26221), (494, 20170), (988, 10085), (1235, 8068), (2017, 4940), (2470, 4034)]