40450020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51859}}^1$

素因数の和:51884

約数の個数: 48

約数和(自身を含む): 121974720

約数和(自身を除く): 81524700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51859, 103718, 155577, 207436, 259295, 311154, 518590, 622308, 674167, 777885, 1037180, 1348334, 1555770, 2022501, 2696668, 3111540, 3370835, 4045002, 6741670, 8090004, 10112505, 13483340, 20225010, 40450020]

約数ペア:

[(1, 40450020), (2, 20225010), (3, 13483340), (4, 10112505), (5, 8090004), (6, 6741670), (10, 4045002), (12, 3370835), (13, 3111540), (15, 2696668), (20, 2022501), (26, 1555770), (30, 1348334), (39, 1037180), (52, 777885), (60, 674167), (65, 622308), (78, 518590), (130, 311154), (156, 259295), (195, 207436), (260, 155577), (390, 103718), (780, 51859)]