40985040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{439}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 127670400

約数和(自身を除く): 86685360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 389, 439, 778, 878, 1167, 1317, 1556, 1756, 1945, 2195, 2334, 2634, 3112, 3512, 3890, 4390, 4668, 5268, 5835, 6224, 6585, 7024, 7780, 8780, 9336, 10536, 11670, 13170, 15560, 17560, 18672, 21072, 23340, 26340, 31120, 35120, 46680, 52680, 93360, 105360, 170771, 341542, 512313, 683084, 853855, 1024626, 1366168, 1707710, 2049252, 2561565, 2732336, 3415420, 4098504, 5123130, 6830840, 8197008, 10246260, 13661680, 20492520, 40985040]

約数ペア:

[(1, 40985040), (2, 20492520), (3, 13661680), (4, 10246260), (5, 8197008), (6, 6830840), (8, 5123130), (10, 4098504), (12, 3415420), (15, 2732336), (16, 2561565), (20, 2049252), (24, 1707710), (30, 1366168), (40, 1024626), (48, 853855), (60, 683084), (80, 512313), (120, 341542), (240, 170771), (389, 105360), (439, 93360), (778, 52680), (878, 46680), (1167, 35120), (1317, 31120), (1556, 26340), (1756, 23340), (1945, 21072), (2195, 18672), (2334, 17560), (2634, 15560), (3112, 13170), (3512, 11670), (3890, 10536), (4390, 9336), (4668, 8780), (5268, 7780), (5835, 7024), (6224, 6585)]