80811057100

素因数分解:

$2^2\times 5^2\times {\mathrm{397}}^1\times {\mathrm{769}}^1\times {\mathrm{2647}}^1$

素因数の和:3827

約数の個数: 72

約数和(自身を含む): 176096819360

約数和(自身を除く): 95285762260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 397, 769, 794, 1538, 1588, 1985, 2647, 3076, 3845, 3970, 5294, 7690, 7940, 9925, 10588, 13235, 15380, 19225, 19850, 26470, 38450, 39700, 52940, 66175, 76900, 132350, 264700, 305293, 610586, 1050859, 1221172, 1526465, 2035543, 2101718, 3052930, 4071086, 4203436, 5254295, 6105860, 7632325, 8142172, 10177715, 10508590, 15264650, 20355430, 21017180, 26271475, 30529300, 40710860, 50888575, 52542950, 101777150, 105085900, 203554300, 808110571, 1616221142, 3232442284, 4040552855, 8081105710, 16162211420, 20202764275, 40405528550, 80811057100]

約数ペア:

[(1, 80811057100), (2, 40405528550), (4, 20202764275), (5, 16162211420), (10, 8081105710), (20, 4040552855), (25, 3232442284), (50, 1616221142), (100, 808110571), (397, 203554300), (769, 105085900), (794, 101777150), (1538, 52542950), (1588, 50888575), (1985, 40710860), (2647, 30529300), (3076, 26271475), (3845, 21017180), (3970, 20355430), (5294, 15264650), (7690, 10508590), (7940, 10177715), (9925, 8142172), (10588, 7632325), (13235, 6105860), (15380, 5254295), (19225, 4203436), (19850, 4071086), (26470, 3052930), (38450, 2101718), (39700, 2035543), (52940, 1526465), (66175, 1221172), (76900, 1050859), (132350, 610586), (264700, 305293)]