25790980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1013}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 57919680

約数和(自身を除く): 32128700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1013, 1273, 1340, 2026, 2546, 4052, 5065, 5092, 6365, 10130, 12730, 19247, 20260, 25460, 38494, 67871, 76988, 96235, 135742, 192470, 271484, 339355, 384940, 678710, 1289549, 1357420, 2579098, 5158196, 6447745, 12895490, 25790980]

約数ペア:

[(1, 25790980), (2, 12895490), (4, 6447745), (5, 5158196), (10, 2579098), (19, 1357420), (20, 1289549), (38, 678710), (67, 384940), (76, 339355), (95, 271484), (134, 192470), (190, 135742), (268, 96235), (335, 76988), (380, 67871), (670, 38494), (1013, 25460), (1273, 20260), (1340, 19247), (2026, 12730), (2546, 10130), (4052, 6365), (5065, 5092)]