31903960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2392

約数の個数: 64

約数和(自身を含む): 80870400

約数和(自身を除く): 48966440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2339, 2728, 3410, 4678, 6820, 9356, 11695, 13640, 18712, 23390, 25729, 46780, 51458, 72509, 93560, 102916, 128645, 145018, 205832, 257290, 290036, 362545, 514580, 580072, 725090, 797599, 1029160, 1450180, 1595198, 2900360, 3190396, 3987995, 6380792, 7975990, 15951980, 31903960]

約数ペア:

[(1, 31903960), (2, 15951980), (4, 7975990), (5, 6380792), (8, 3987995), (10, 3190396), (11, 2900360), (20, 1595198), (22, 1450180), (31, 1029160), (40, 797599), (44, 725090), (55, 580072), (62, 514580), (88, 362545), (110, 290036), (124, 257290), (155, 205832), (220, 145018), (248, 128645), (310, 102916), (341, 93560), (440, 72509), (620, 51458), (682, 46780), (1240, 25729), (1364, 23390), (1705, 18712), (2339, 13640), (2728, 11695), (3410, 9356), (4678, 6820)]