51252040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:435

約数の個数: 96

約数和(自身を含む): 136252800

約数和(自身を除く): 85000760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 140, 158, 196, 245, 280, 316, 331, 392, 395, 490, 553, 632, 662, 790, 980, 1106, 1324, 1580, 1655, 1960, 2212, 2317, 2648, 2765, 3160, 3310, 3871, 4424, 4634, 5530, 6620, 7742, 9268, 11060, 11585, 13240, 15484, 16219, 18536, 19355, 22120, 23170, 26149, 30968, 32438, 38710, 46340, 52298, 64876, 77420, 81095, 92680, 104596, 129752, 130745, 154840, 162190, 183043, 209192, 261490, 324380, 366086, 522980, 648760, 732172, 915215, 1045960, 1281301, 1464344, 1830430, 2562602, 3660860, 5125204, 6406505, 7321720, 10250408, 12813010, 25626020, 51252040]

約数ペア:

[(1, 51252040), (2, 25626020), (4, 12813010), (5, 10250408), (7, 7321720), (8, 6406505), (10, 5125204), (14, 3660860), (20, 2562602), (28, 1830430), (35, 1464344), (40, 1281301), (49, 1045960), (56, 915215), (70, 732172), (79, 648760), (98, 522980), (140, 366086), (158, 324380), (196, 261490), (245, 209192), (280, 183043), (316, 162190), (331, 154840), (392, 130745), (395, 129752), (490, 104596), (553, 92680), (632, 81095), (662, 77420), (790, 64876), (980, 52298), (1106, 46340), (1324, 38710), (1580, 32438), (1655, 30968), (1960, 26149), (2212, 23170), (2317, 22120), (2648, 19355), (2765, 18536), (3160, 16219), (3310, 15484), (3871, 13240), (4424, 11585), (4634, 11060), (5530, 9268), (6620, 7742)]