80495870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1669}}^1$

素因数の和:1749

約数の個数: 64

約数和(自身を含む): 181802880

約数和(自身を除く): 101307010

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 53, 65, 70, 91, 106, 130, 182, 265, 371, 455, 530, 689, 742, 910, 1378, 1669, 1855, 3338, 3445, 3710, 4823, 6890, 8345, 9646, 11683, 16690, 21697, 23366, 24115, 43394, 48230, 58415, 88457, 108485, 116830, 151879, 176914, 216970, 303758, 442285, 619199, 759395, 884570, 1149941, 1238398, 1518790, 2299882, 3095995, 5749705, 6191990, 8049587, 11499410, 16099174, 40247935, 80495870]

約数ペア:

[(1, 80495870), (2, 40247935), (5, 16099174), (7, 11499410), (10, 8049587), (13, 6191990), (14, 5749705), (26, 3095995), (35, 2299882), (53, 1518790), (65, 1238398), (70, 1149941), (91, 884570), (106, 759395), (130, 619199), (182, 442285), (265, 303758), (371, 216970), (455, 176914), (530, 151879), (689, 116830), (742, 108485), (910, 88457), (1378, 58415), (1669, 48230), (1855, 43394), (3338, 24115), (3445, 23366), (3710, 21697), (4823, 16690), (6890, 11683), (8345, 9646)]