25626020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 63584640

約数和(自身を除く): 37958620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 331, 395, 490, 553, 662, 790, 980, 1106, 1324, 1580, 1655, 2212, 2317, 2765, 3310, 3871, 4634, 5530, 6620, 7742, 9268, 11060, 11585, 15484, 16219, 19355, 23170, 26149, 32438, 38710, 46340, 52298, 64876, 77420, 81095, 104596, 130745, 162190, 183043, 261490, 324380, 366086, 522980, 732172, 915215, 1281301, 1830430, 2562602, 3660860, 5125204, 6406505, 12813010, 25626020]

約数ペア:

[(1, 25626020), (2, 12813010), (4, 6406505), (5, 5125204), (7, 3660860), (10, 2562602), (14, 1830430), (20, 1281301), (28, 915215), (35, 732172), (49, 522980), (70, 366086), (79, 324380), (98, 261490), (140, 183043), (158, 162190), (196, 130745), (245, 104596), (316, 81095), (331, 77420), (395, 64876), (490, 52298), (553, 46340), (662, 38710), (790, 32438), (980, 26149), (1106, 23170), (1324, 19355), (1580, 16219), (1655, 15484), (2212, 11585), (2317, 11060), (2765, 9268), (3310, 7742), (3871, 6620), (4634, 5530)]