2013123875

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1493}}^1$

素因数の和:1605

約数の個数: 64

約数和(自身を含む): 3042883584

約数和(自身を除く): 1029759709

約数列:

[1, 5, 7, 23, 25, 35, 67, 115, 125, 161, 175, 335, 469, 575, 805, 875, 1493, 1541, 1675, 2345, 2875, 4025, 7465, 7705, 8375, 10451, 10787, 11725, 20125, 34339, 37325, 38525, 52255, 53935, 58625, 100031, 171695, 186625, 192625, 240373, 261275, 269675, 500155, 700217, 858475, 1201865, 1306375, 1348375, 2300713, 2500775, 3501085, 4292375, 6009325, 11503565, 12503875, 16104991, 17505425, 30046625, 57517825, 80524955, 87527125, 287589125, 402624775, 2013123875]

約数ペア:

[(1, 2013123875), (5, 402624775), (7, 287589125), (23, 87527125), (25, 80524955), (35, 57517825), (67, 30046625), (115, 17505425), (125, 16104991), (161, 12503875), (175, 11503565), (335, 6009325), (469, 4292375), (575, 3501085), (805, 2500775), (875, 2300713), (1493, 1348375), (1541, 1306375), (1675, 1201865), (2345, 858475), (2875, 700217), (4025, 500155), (7465, 269675), (7705, 261275), (8375, 240373), (10451, 192625), (10787, 186625), (11725, 171695), (20125, 100031), (34339, 58625), (37325, 53935), (38525, 52255)]