85936340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19801}}^1$

素因数の和:19848

約数の個数: 48

約数和(自身を含む): 212911104

約数和(自身を除く): 126974764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 19801, 39602, 79204, 99005, 138607, 198010, 277214, 396020, 554428, 613831, 693035, 1227662, 1386070, 2455324, 2772140, 3069155, 4296817, 6138310, 8593634, 12276620, 17187268, 21484085, 42968170, 85936340]

約数ペア:

[(1, 85936340), (2, 42968170), (4, 21484085), (5, 17187268), (7, 12276620), (10, 8593634), (14, 6138310), (20, 4296817), (28, 3069155), (31, 2772140), (35, 2455324), (62, 1386070), (70, 1227662), (124, 693035), (140, 613831), (155, 554428), (217, 396020), (310, 277214), (434, 198010), (620, 138607), (868, 99005), (1085, 79204), (2170, 39602), (4340, 19801)]