51216340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11801}}^1$

素因数の和:11848

約数の個数: 48

約数和(自身を含む): 126895104

約数和(自身を除く): 75678764

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, 11801, 23602, 47204, 59005, 82607, 118010, 165214, 236020, 330428, 365831, 413035, 731662, 826070, 1463324, 1652140, 1829155, 2560817, 3658310, 5121634, 7316620, 10243268, 12804085, 25608170, 51216340]

約数ペア:

[(1, 51216340), (2, 25608170), (4, 12804085), (5, 10243268), (7, 7316620), (10, 5121634), (14, 3658310), (20, 2560817), (28, 1829155), (31, 1652140), (35, 1463324), (62, 826070), (70, 731662), (124, 413035), (140, 365831), (155, 330428), (217, 236020), (310, 165214), (434, 118010), (620, 82607), (868, 59005), (1085, 47204), (2170, 23602), (4340, 11801)]