81386500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:710

約数の個数: 96

約数和(自身を含む): 201801600

約数和(自身を除く): 120415100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 125, 130, 190, 247, 250, 260, 325, 380, 475, 494, 500, 650, 659, 950, 988, 1235, 1300, 1318, 1625, 1900, 2375, 2470, 2636, 3250, 3295, 4750, 4940, 6175, 6500, 6590, 8567, 9500, 12350, 12521, 13180, 16475, 17134, 24700, 25042, 30875, 32950, 34268, 42835, 50084, 61750, 62605, 65900, 82375, 85670, 123500, 125210, 162773, 164750, 171340, 214175, 250420, 313025, 325546, 329500, 428350, 626050, 651092, 813865, 856700, 1070875, 1252100, 1565125, 1627730, 2141750, 3130250, 3255460, 4069325, 4283500, 6260500, 8138650, 16277300, 20346625, 40693250, 81386500]

約数ペア:

[(1, 81386500), (2, 40693250), (4, 20346625), (5, 16277300), (10, 8138650), (13, 6260500), (19, 4283500), (20, 4069325), (25, 3255460), (26, 3130250), (38, 2141750), (50, 1627730), (52, 1565125), (65, 1252100), (76, 1070875), (95, 856700), (100, 813865), (125, 651092), (130, 626050), (190, 428350), (247, 329500), (250, 325546), (260, 313025), (325, 250420), (380, 214175), (475, 171340), (494, 164750), (500, 162773), (650, 125210), (659, 123500), (950, 85670), (988, 82375), (1235, 65900), (1300, 62605), (1318, 61750), (1625, 50084), (1900, 42835), (2375, 34268), (2470, 32950), (2636, 30875), (3250, 25042), (3295, 24700), (4750, 17134), (4940, 16475), (6175, 13180), (6500, 12521), (6590, 12350), (8567, 9500)]