2028116720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{116827}}^1$

素因数の和:116878

約数の個数: 80

約数和(自身を含む): 5562882048

約数和(自身を除く): 3534765328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 116827, 233654, 467308, 584135, 817789, 934616, 1168270, 1635578, 1869232, 2336540, 3271156, 3621637, 4088945, 4673080, 6542312, 7243274, 8177890, 9346160, 13084624, 14486548, 16355780, 18108185, 25351459, 28973096, 32711560, 36216370, 50702918, 57946192, 65423120, 72432740, 101405836, 126757295, 144865480, 202811672, 253514590, 289730960, 405623344, 507029180, 1014058360, 2028116720]

約数ペア:

[(1, 2028116720), (2, 1014058360), (4, 507029180), (5, 405623344), (7, 289730960), (8, 253514590), (10, 202811672), (14, 144865480), (16, 126757295), (20, 101405836), (28, 72432740), (31, 65423120), (35, 57946192), (40, 50702918), (56, 36216370), (62, 32711560), (70, 28973096), (80, 25351459), (112, 18108185), (124, 16355780), (140, 14486548), (155, 13084624), (217, 9346160), (248, 8177890), (280, 7243274), (310, 6542312), (434, 4673080), (496, 4088945), (560, 3621637), (620, 3271156), (868, 2336540), (1085, 1869232), (1240, 1635578), (1736, 1168270), (2170, 934616), (2480, 817789), (3472, 584135), (4340, 467308), (8680, 233654), (17360, 116827)]