16449220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 36546048

約数和(自身を除く): 20096828

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 617, 620, 860, 1234, 1333, 2468, 2666, 3085, 5332, 6170, 6665, 12340, 13330, 19127, 26531, 26660, 38254, 53062, 76508, 95635, 106124, 132655, 191270, 265310, 382540, 530620, 822461, 1644922, 3289844, 4112305, 8224610, 16449220]

約数ペア:

[(1, 16449220), (2, 8224610), (4, 4112305), (5, 3289844), (10, 1644922), (20, 822461), (31, 530620), (43, 382540), (62, 265310), (86, 191270), (124, 132655), (155, 106124), (172, 95635), (215, 76508), (310, 53062), (430, 38254), (617, 26660), (620, 26531), (860, 19127), (1234, 13330), (1333, 12340), (2468, 6665), (2666, 6170), (3085, 5332)]