29819920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 76213872

約数和(自身を除く): 46393952

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, 541, 689, 848, 1040, 1060, 1082, 1378, 2120, 2164, 2705, 2756, 3445, 4240, 4328, 5410, 5512, 6890, 7033, 8656, 10820, 11024, 13780, 14066, 21640, 27560, 28132, 28673, 35165, 43280, 55120, 56264, 57346, 70330, 112528, 114692, 140660, 143365, 229384, 281320, 286730, 372749, 458768, 562640, 573460, 745498, 1146920, 1490996, 1863745, 2293840, 2981992, 3727490, 5963984, 7454980, 14909960, 29819920]

約数ペア:

[(1, 29819920), (2, 14909960), (4, 7454980), (5, 5963984), (8, 3727490), (10, 2981992), (13, 2293840), (16, 1863745), (20, 1490996), (26, 1146920), (40, 745498), (52, 573460), (53, 562640), (65, 458768), (80, 372749), (104, 286730), (106, 281320), (130, 229384), (208, 143365), (212, 140660), (260, 114692), (265, 112528), (424, 70330), (520, 57346), (530, 56264), (541, 55120), (689, 43280), (848, 35165), (1040, 28673), (1060, 28132), (1082, 27560), (1378, 21640), (2120, 14066), (2164, 13780), (2705, 11024), (2756, 10820), (3445, 8656), (4240, 7033), (4328, 6890), (5410, 5512)]