40456780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22229}}^1$

素因数の和:22258

約数の個数: 48

約数和(自身を含む): 104569920

約数和(自身を除く): 64113140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 22229, 44458, 88916, 111145, 155603, 222290, 288977, 311206, 444580, 577954, 622412, 778015, 1155908, 1444885, 1556030, 2022839, 2889770, 3112060, 4045678, 5779540, 8091356, 10114195, 20228390, 40456780]

約数ペア:

[(1, 40456780), (2, 20228390), (4, 10114195), (5, 8091356), (7, 5779540), (10, 4045678), (13, 3112060), (14, 2889770), (20, 2022839), (26, 1556030), (28, 1444885), (35, 1155908), (52, 778015), (65, 622412), (70, 577954), (91, 444580), (130, 311206), (140, 288977), (182, 222290), (260, 155603), (364, 111145), (455, 88916), (910, 44458), (1820, 22229)]