42991640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3719}}^1$

素因数の和:3764

約数の個数: 48

約数和(自身を含む): 102783600

約数和(自身を除く): 59791960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 3719, 5780, 7438, 11560, 14876, 18595, 29752, 37190, 63223, 74380, 126446, 148760, 252892, 316115, 505784, 632230, 1074791, 1264460, 2149582, 2528920, 4299164, 5373955, 8598328, 10747910, 21495820, 42991640]

約数ペア:

[(1, 42991640), (2, 21495820), (4, 10747910), (5, 8598328), (8, 5373955), (10, 4299164), (17, 2528920), (20, 2149582), (34, 1264460), (40, 1074791), (68, 632230), (85, 505784), (136, 316115), (170, 252892), (289, 148760), (340, 126446), (578, 74380), (680, 63223), (1156, 37190), (1445, 29752), (2312, 18595), (2890, 14876), (3719, 11560), (5780, 7438)]