28103660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5689}}^1$

素因数の和:5730

約数の個数: 48

約数和(自身を含む): 66914400

約数和(自身を除く): 38810740

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, 2470, 4940, 5689, 11378, 22756, 28445, 56890, 73957, 108091, 113780, 147914, 216182, 295828, 369785, 432364, 540455, 739570, 1080910, 1405183, 1479140, 2161820, 2810366, 5620732, 7025915, 14051830, 28103660]

約数ペア:

[(1, 28103660), (2, 14051830), (4, 7025915), (5, 5620732), (10, 2810366), (13, 2161820), (19, 1479140), (20, 1405183), (26, 1080910), (38, 739570), (52, 540455), (65, 432364), (76, 369785), (95, 295828), (130, 216182), (190, 147914), (247, 113780), (260, 108091), (380, 73957), (494, 56890), (988, 28445), (1235, 22756), (2470, 11378), (4940, 5689)]