78840242860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5653}}^1\times {\mathrm{16217}}^1$

素因数の和:21922

約数の個数: 48

約数和(自身を含む): 169455265056

約数和(自身を除く): 90615022196

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 5653, 11306, 16217, 22612, 28265, 32434, 56530, 64868, 81085, 113060, 162170, 243079, 324340, 486158, 697331, 972316, 1215395, 1394662, 2430790, 2789324, 3486655, 4861580, 6973310, 13946620, 91674701, 183349402, 366698804, 458373505, 916747010, 1833494020, 3942012143, 7884024286, 15768048572, 19710060715, 39420121430, 78840242860]

約数ペア:

[(1, 78840242860), (2, 39420121430), (4, 19710060715), (5, 15768048572), (10, 7884024286), (20, 3942012143), (43, 1833494020), (86, 916747010), (172, 458373505), (215, 366698804), (430, 183349402), (860, 91674701), (5653, 13946620), (11306, 6973310), (16217, 4861580), (22612, 3486655), (28265, 2789324), (32434, 2430790), (56530, 1394662), (64868, 1215395), (81085, 972316), (113060, 697331), (162170, 486158), (243079, 324340)]