80713100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1395

約数の個数: 72

約数和(自身を含む): 192779328

約数和(自身を除く): 112066228

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 130, 188, 235, 260, 325, 470, 611, 650, 940, 1175, 1222, 1300, 1321, 2350, 2444, 2642, 3055, 4700, 5284, 6110, 6605, 12220, 13210, 15275, 17173, 26420, 30550, 33025, 34346, 61100, 62087, 66050, 68692, 85865, 124174, 132100, 171730, 248348, 310435, 343460, 429325, 620870, 807131, 858650, 1241740, 1552175, 1614262, 1717300, 3104350, 3228524, 4035655, 6208700, 8071310, 16142620, 20178275, 40356550, 80713100]

約数ペア:

[(1, 80713100), (2, 40356550), (4, 20178275), (5, 16142620), (10, 8071310), (13, 6208700), (20, 4035655), (25, 3228524), (26, 3104350), (47, 1717300), (50, 1614262), (52, 1552175), (65, 1241740), (94, 858650), (100, 807131), (130, 620870), (188, 429325), (235, 343460), (260, 310435), (325, 248348), (470, 171730), (611, 132100), (650, 124174), (940, 85865), (1175, 68692), (1222, 66050), (1300, 62087), (1321, 61100), (2350, 34346), (2444, 33025), (2642, 30550), (3055, 26420), (4700, 17173), (5284, 15275), (6110, 13210), (6605, 12220)]