31958940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40973}}^1$

素因数の和:40998

約数の個数: 48

約数和(自身を含む): 96370848

約数和(自身を除く): 64411908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40973, 81946, 122919, 163892, 204865, 245838, 409730, 491676, 532649, 614595, 819460, 1065298, 1229190, 1597947, 2130596, 2458380, 2663245, 3195894, 5326490, 6391788, 7989735, 10652980, 15979470, 31958940]

約数ペア:

[(1, 31958940), (2, 15979470), (3, 10652980), (4, 7989735), (5, 6391788), (6, 5326490), (10, 3195894), (12, 2663245), (13, 2458380), (15, 2130596), (20, 1597947), (26, 1229190), (30, 1065298), (39, 819460), (52, 614595), (60, 532649), (65, 491676), (78, 409730), (130, 245838), (156, 204865), (195, 163892), (260, 122919), (390, 81946), (780, 40973)]