40576880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 98431200

約数和(自身を除く): 57854320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 89, 139, 164, 178, 205, 278, 328, 356, 410, 445, 556, 656, 695, 712, 820, 890, 1112, 1390, 1424, 1640, 1780, 2224, 2780, 3280, 3560, 3649, 5560, 5699, 7120, 7298, 11120, 11398, 12371, 14596, 18245, 22796, 24742, 28495, 29192, 36490, 45592, 49484, 56990, 58384, 61855, 72980, 91184, 98968, 113980, 123710, 145960, 197936, 227960, 247420, 291920, 455920, 494840, 507211, 989680, 1014422, 2028844, 2536055, 4057688, 5072110, 8115376, 10144220, 20288440, 40576880]

約数ペア:

[(1, 40576880), (2, 20288440), (4, 10144220), (5, 8115376), (8, 5072110), (10, 4057688), (16, 2536055), (20, 2028844), (40, 1014422), (41, 989680), (80, 507211), (82, 494840), (89, 455920), (139, 291920), (164, 247420), (178, 227960), (205, 197936), (278, 145960), (328, 123710), (356, 113980), (410, 98968), (445, 91184), (556, 72980), (656, 61855), (695, 58384), (712, 56990), (820, 49484), (890, 45592), (1112, 36490), (1390, 29192), (1424, 28495), (1640, 24742), (1780, 22796), (2224, 18245), (2780, 14596), (3280, 12371), (3560, 11398), (3649, 11120), (5560, 7298), (5699, 7120)]