40315808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 86083200

約数和(自身を除く): 45767392

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 199, 208, 398, 416, 487, 796, 974, 1592, 1948, 2587, 3184, 3896, 5174, 6331, 6368, 7792, 10348, 12662, 15584, 20696, 25324, 41392, 50648, 82784, 96913, 101296, 193826, 202592, 387652, 775304, 1259869, 1550608, 2519738, 3101216, 5039476, 10078952, 20157904, 40315808]

約数ペア:

[(1, 40315808), (2, 20157904), (4, 10078952), (8, 5039476), (13, 3101216), (16, 2519738), (26, 1550608), (32, 1259869), (52, 775304), (104, 387652), (199, 202592), (208, 193826), (398, 101296), (416, 96913), (487, 82784), (796, 50648), (974, 41392), (1592, 25324), (1948, 20696), (2587, 15584), (3184, 12662), (3896, 10348), (5174, 7792), (6331, 6368)]