65510750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 129392640

約数和(自身を除く): 63881890

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 79, 107, 125, 155, 158, 214, 250, 310, 395, 535, 775, 790, 1070, 1550, 1975, 2449, 2675, 3317, 3875, 3950, 4898, 5350, 6634, 7750, 8453, 9875, 12245, 13375, 16585, 16906, 19750, 24490, 26750, 33170, 42265, 61225, 82925, 84530, 122450, 165850, 211325, 262043, 306125, 414625, 422650, 524086, 612250, 829250, 1056625, 1310215, 2113250, 2620430, 6551075, 13102150, 32755375, 65510750]

約数ペア:

[(1, 65510750), (2, 32755375), (5, 13102150), (10, 6551075), (25, 2620430), (31, 2113250), (50, 1310215), (62, 1056625), (79, 829250), (107, 612250), (125, 524086), (155, 422650), (158, 414625), (214, 306125), (250, 262043), (310, 211325), (395, 165850), (535, 122450), (775, 84530), (790, 82925), (1070, 61225), (1550, 42265), (1975, 33170), (2449, 26750), (2675, 24490), (3317, 19750), (3875, 16906), (3950, 16585), (4898, 13375), (5350, 12245), (6634, 9875), (7750, 8453)]