528420100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1307}}^1$

素因数の和:1645

約数の個数: 72

約数和(自身を含む): 1239795648

約数和(自身を除く): 711375548

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 311, 325, 622, 650, 1244, 1300, 1307, 1555, 2614, 3110, 4043, 5228, 6220, 6535, 7775, 8086, 13070, 15550, 16172, 16991, 20215, 26140, 31100, 32675, 33982, 40430, 65350, 67964, 80860, 84955, 101075, 130700, 169910, 202150, 339820, 404300, 406477, 424775, 812954, 849550, 1625908, 1699100, 2032385, 4064770, 5284201, 8129540, 10161925, 10568402, 20323850, 21136804, 26421005, 40647700, 52842010, 105684020, 132105025, 264210050, 528420100]

約数ペア:

[(1, 528420100), (2, 264210050), (4, 132105025), (5, 105684020), (10, 52842010), (13, 40647700), (20, 26421005), (25, 21136804), (26, 20323850), (50, 10568402), (52, 10161925), (65, 8129540), (100, 5284201), (130, 4064770), (260, 2032385), (311, 1699100), (325, 1625908), (622, 849550), (650, 812954), (1244, 424775), (1300, 406477), (1307, 404300), (1555, 339820), (2614, 202150), (3110, 169910), (4043, 130700), (5228, 101075), (6220, 84955), (6535, 80860), (7775, 67964), (8086, 65350), (13070, 40430), (15550, 33982), (16172, 32675), (16991, 31100), (20215, 26140)]