64460500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 155570688

約数和(自身を除く): 91110188

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 125, 130, 188, 211, 235, 250, 260, 325, 422, 470, 500, 611, 650, 844, 940, 1055, 1175, 1222, 1300, 1625, 2110, 2350, 2444, 2743, 3055, 3250, 4220, 4700, 5275, 5486, 5875, 6110, 6500, 9917, 10550, 10972, 11750, 12220, 13715, 15275, 19834, 21100, 23500, 26375, 27430, 30550, 39668, 49585, 52750, 54860, 61100, 68575, 76375, 99170, 105500, 128921, 137150, 152750, 198340, 247925, 257842, 274300, 305500, 342875, 495850, 515684, 644605, 685750, 991700, 1239625, 1289210, 1371500, 2479250, 2578420, 3223025, 4958500, 6446050, 12892100, 16115125, 32230250, 64460500]

約数ペア:

[(1, 64460500), (2, 32230250), (4, 16115125), (5, 12892100), (10, 6446050), (13, 4958500), (20, 3223025), (25, 2578420), (26, 2479250), (47, 1371500), (50, 1289210), (52, 1239625), (65, 991700), (94, 685750), (100, 644605), (125, 515684), (130, 495850), (188, 342875), (211, 305500), (235, 274300), (250, 257842), (260, 247925), (325, 198340), (422, 152750), (470, 137150), (500, 128921), (611, 105500), (650, 99170), (844, 76375), (940, 68575), (1055, 61100), (1175, 54860), (1222, 52750), (1300, 49585), (1625, 39668), (2110, 30550), (2350, 27430), (2444, 26375), (2743, 23500), (3055, 21100), (3250, 19834), (4220, 15275), (4700, 13715), (5275, 12220), (5486, 11750), (5875, 10972), (6110, 10550), (6500, 9917)]