8238020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 20994624

約数和(自身を除く): 12756604

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 163, 190, 266, 326, 361, 380, 532, 652, 665, 722, 815, 1141, 1330, 1444, 1630, 1805, 2282, 2527, 2660, 3097, 3260, 3610, 4564, 5054, 5705, 6194, 7220, 10108, 11410, 12388, 12635, 15485, 21679, 22820, 25270, 30970, 43358, 50540, 58843, 61940, 86716, 108395, 117686, 216790, 235372, 294215, 411901, 433580, 588430, 823802, 1176860, 1647604, 2059505, 4119010, 8238020]

約数ペア:

[(1, 8238020), (2, 4119010), (4, 2059505), (5, 1647604), (7, 1176860), (10, 823802), (14, 588430), (19, 433580), (20, 411901), (28, 294215), (35, 235372), (38, 216790), (70, 117686), (76, 108395), (95, 86716), (133, 61940), (140, 58843), (163, 50540), (190, 43358), (266, 30970), (326, 25270), (361, 22820), (380, 21679), (532, 15485), (652, 12635), (665, 12388), (722, 11410), (815, 10108), (1141, 7220), (1330, 6194), (1444, 5705), (1630, 5054), (1805, 4564), (2282, 3610), (2527, 3260), (2660, 3097)]