89907440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5179}}^1$

素因数の和:5230

約数の個数: 80

約数和(自身を含む): 246650880

約数和(自身を除く): 156743440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 5179, 8680, 10358, 17360, 20716, 25895, 36253, 41432, 51790, 72506, 82864, 103580, 145012, 160549, 181265, 207160, 290024, 321098, 362530, 414320, 580048, 642196, 725060, 802745, 1123843, 1284392, 1450120, 1605490, 2247686, 2568784, 2900240, 3210980, 4495372, 5619215, 6421960, 8990744, 11238430, 12843920, 17981488, 22476860, 44953720, 89907440]

約数ペア:

[(1, 89907440), (2, 44953720), (4, 22476860), (5, 17981488), (7, 12843920), (8, 11238430), (10, 8990744), (14, 6421960), (16, 5619215), (20, 4495372), (28, 3210980), (31, 2900240), (35, 2568784), (40, 2247686), (56, 1605490), (62, 1450120), (70, 1284392), (80, 1123843), (112, 802745), (124, 725060), (140, 642196), (155, 580048), (217, 414320), (248, 362530), (280, 321098), (310, 290024), (434, 207160), (496, 181265), (560, 160549), (620, 145012), (868, 103580), (1085, 82864), (1240, 72506), (1736, 51790), (2170, 41432), (2480, 36253), (3472, 25895), (4340, 20716), (5179, 17360), (8680, 10358)]