23139740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 53225760

約数和(自身を除く): 30086020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1459, 1586, 2918, 3172, 3965, 5836, 7295, 7930, 14590, 15860, 18967, 29180, 37934, 75868, 88999, 94835, 177998, 189670, 355996, 379340, 444995, 889990, 1156987, 1779980, 2313974, 4627948, 5784935, 11569870, 23139740]

約数ペア:

[(1, 23139740), (2, 11569870), (4, 5784935), (5, 4627948), (10, 2313974), (13, 1779980), (20, 1156987), (26, 889990), (52, 444995), (61, 379340), (65, 355996), (122, 189670), (130, 177998), (244, 94835), (260, 88999), (305, 75868), (610, 37934), (793, 29180), (1220, 18967), (1459, 15860), (1586, 14590), (2918, 7930), (3172, 7295), (3965, 5836)]