195179920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3541}}^1$

素因数の和:3620

約数の個数: 80

約数和(自身を含む): 498061872

約数和(自身を除く): 302881952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 848, 1040, 1060, 1378, 2120, 2756, 3445, 3541, 4240, 5512, 6890, 7082, 11024, 13780, 14164, 17705, 27560, 28328, 35410, 46033, 55120, 56656, 70820, 92066, 141640, 184132, 187673, 230165, 283280, 368264, 375346, 460330, 736528, 750692, 920660, 938365, 1501384, 1841320, 1876730, 2439749, 3002768, 3682640, 3753460, 4879498, 7506920, 9758996, 12198745, 15013840, 19517992, 24397490, 39035984, 48794980, 97589960, 195179920]

約数ペア:

[(1, 195179920), (2, 97589960), (4, 48794980), (5, 39035984), (8, 24397490), (10, 19517992), (13, 15013840), (16, 12198745), (20, 9758996), (26, 7506920), (40, 4879498), (52, 3753460), (53, 3682640), (65, 3002768), (80, 2439749), (104, 1876730), (106, 1841320), (130, 1501384), (208, 938365), (212, 920660), (260, 750692), (265, 736528), (424, 460330), (520, 375346), (530, 368264), (689, 283280), (848, 230165), (1040, 187673), (1060, 184132), (1378, 141640), (2120, 92066), (2756, 70820), (3445, 56656), (3541, 55120), (4240, 46033), (5512, 35410), (6890, 28328), (7082, 27560), (11024, 17705), (13780, 14164)]