40278056

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 94577280

約数和(自身を除く): 54299224

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 61, 91, 104, 122, 182, 244, 364, 427, 488, 728, 793, 854, 907, 1586, 1708, 1814, 3172, 3416, 3628, 5551, 6344, 6349, 7256, 11102, 11791, 12698, 22204, 23582, 25396, 44408, 47164, 50792, 55327, 82537, 94328, 110654, 165074, 221308, 330148, 387289, 442616, 660296, 719251, 774578, 1438502, 1549156, 2877004, 3098312, 5034757, 5754008, 10069514, 20139028, 40278056]

約数ペア:

[(1, 40278056), (2, 20139028), (4, 10069514), (7, 5754008), (8, 5034757), (13, 3098312), (14, 2877004), (26, 1549156), (28, 1438502), (52, 774578), (56, 719251), (61, 660296), (91, 442616), (104, 387289), (122, 330148), (182, 221308), (244, 165074), (364, 110654), (427, 94328), (488, 82537), (728, 55327), (793, 50792), (854, 47164), (907, 44408), (1586, 25396), (1708, 23582), (1814, 22204), (3172, 12698), (3416, 11791), (3628, 11102), (5551, 7256), (6344, 6349)]