81692750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 161021952

約数和(自身を除く): 79329202

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 83, 125, 127, 155, 166, 250, 254, 310, 415, 635, 775, 830, 1270, 1550, 2075, 2573, 3175, 3875, 3937, 4150, 5146, 6350, 7750, 7874, 10375, 10541, 12865, 15875, 19685, 20750, 21082, 25730, 31750, 39370, 52705, 64325, 98425, 105410, 128650, 196850, 263525, 321625, 326771, 492125, 527050, 643250, 653542, 984250, 1317625, 1633855, 2635250, 3267710, 8169275, 16338550, 40846375, 81692750]

約数ペア:

[(1, 81692750), (2, 40846375), (5, 16338550), (10, 8169275), (25, 3267710), (31, 2635250), (50, 1633855), (62, 1317625), (83, 984250), (125, 653542), (127, 643250), (155, 527050), (166, 492125), (250, 326771), (254, 321625), (310, 263525), (415, 196850), (635, 128650), (775, 105410), (830, 98425), (1270, 64325), (1550, 52705), (2075, 39370), (2573, 31750), (3175, 25730), (3875, 21082), (3937, 20750), (4150, 19685), (5146, 15875), (6350, 12865), (7750, 10541), (7874, 10375)]