11975920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 31426560

約数和(自身を除く): 19450640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 439, 440, 496, 620, 682, 878, 880, 1240, 1364, 1705, 1756, 2195, 2480, 2728, 3410, 3512, 4390, 4829, 5456, 6820, 7024, 8780, 9658, 13609, 13640, 17560, 19316, 24145, 27218, 27280, 35120, 38632, 48290, 54436, 68045, 77264, 96580, 108872, 136090, 149699, 193160, 217744, 272180, 299398, 386320, 544360, 598796, 748495, 1088720, 1197592, 1496990, 2395184, 2993980, 5987960, 11975920]

約数ペア:

[(1, 11975920), (2, 5987960), (4, 2993980), (5, 2395184), (8, 1496990), (10, 1197592), (11, 1088720), (16, 748495), (20, 598796), (22, 544360), (31, 386320), (40, 299398), (44, 272180), (55, 217744), (62, 193160), (80, 149699), (88, 136090), (110, 108872), (124, 96580), (155, 77264), (176, 68045), (220, 54436), (248, 48290), (310, 38632), (341, 35120), (439, 27280), (440, 27218), (496, 24145), (620, 19316), (682, 17560), (878, 13640), (880, 13609), (1240, 9658), (1364, 8780), (1705, 7024), (1756, 6820), (2195, 5456), (2480, 4829), (2728, 4390), (3410, 3512)]