26428430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 59166720

約数和(自身を除く): 32738290

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 434, 589, 641, 665, 1085, 1178, 1282, 1330, 2170, 2945, 3205, 4123, 4487, 5890, 6410, 8246, 8974, 12179, 19871, 20615, 22435, 24358, 39742, 41230, 44870, 60895, 85253, 99355, 121790, 139097, 170506, 198710, 278194, 377549, 426265, 695485, 755098, 852530, 1390970, 1887745, 2642843, 3775490, 5285686, 13214215, 26428430]

約数ペア:

[(1, 26428430), (2, 13214215), (5, 5285686), (7, 3775490), (10, 2642843), (14, 1887745), (19, 1390970), (31, 852530), (35, 755098), (38, 695485), (62, 426265), (70, 377549), (95, 278194), (133, 198710), (155, 170506), (190, 139097), (217, 121790), (266, 99355), (310, 85253), (434, 60895), (589, 44870), (641, 41230), (665, 39742), (1085, 24358), (1178, 22435), (1282, 20615), (1330, 19871), (2170, 12179), (2945, 8974), (3205, 8246), (4123, 6410), (4487, 5890)]