2489804980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2207}}^1\times {\mathrm{4339}}^1$

素因数の和:6568

約数の個数: 48

約数和(自身を含む): 5634639360

約数和(自身を除く): 3144834380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2207, 4339, 4414, 8678, 8828, 11035, 17356, 21695, 22070, 28691, 43390, 44140, 56407, 57382, 86780, 112814, 114764, 143455, 225628, 282035, 286910, 564070, 573820, 1128140, 9576173, 19152346, 38304692, 47880865, 95761730, 124490249, 191523460, 248980498, 497960996, 622451245, 1244902490, 2489804980]

約数ペア:

[(1, 2489804980), (2, 1244902490), (4, 622451245), (5, 497960996), (10, 248980498), (13, 191523460), (20, 124490249), (26, 95761730), (52, 47880865), (65, 38304692), (130, 19152346), (260, 9576173), (2207, 1128140), (4339, 573820), (4414, 564070), (8678, 286910), (8828, 282035), (11035, 225628), (17356, 143455), (21695, 114764), (22070, 112814), (28691, 86780), (43390, 57382), (44140, 56407)]