65385040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2203}}^1$

素因数の和:2276

約数の個数: 80

約数和(自身を含む): 177095808

約数和(自身を除く): 111710768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2203, 2968, 3710, 4240, 4406, 5936, 7420, 8812, 11015, 14840, 15421, 17624, 22030, 29680, 30842, 35248, 44060, 61684, 77105, 88120, 116759, 123368, 154210, 176240, 233518, 246736, 308420, 467036, 583795, 616840, 817313, 934072, 1167590, 1233680, 1634626, 1868144, 2335180, 3269252, 4086565, 4670360, 6538504, 8173130, 9340720, 13077008, 16346260, 32692520, 65385040]

約数ペア:

[(1, 65385040), (2, 32692520), (4, 16346260), (5, 13077008), (7, 9340720), (8, 8173130), (10, 6538504), (14, 4670360), (16, 4086565), (20, 3269252), (28, 2335180), (35, 1868144), (40, 1634626), (53, 1233680), (56, 1167590), (70, 934072), (80, 817313), (106, 616840), (112, 583795), (140, 467036), (212, 308420), (265, 246736), (280, 233518), (371, 176240), (424, 154210), (530, 123368), (560, 116759), (742, 88120), (848, 77105), (1060, 61684), (1484, 44060), (1855, 35248), (2120, 30842), (2203, 29680), (2968, 22030), (3710, 17624), (4240, 15421), (4406, 14840), (5936, 11015), (7420, 8812)]