40636840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 94737600

約数和(自身を除く): 54100760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 67, 118, 134, 236, 257, 268, 295, 335, 472, 514, 536, 590, 670, 1028, 1180, 1285, 1340, 2056, 2360, 2570, 2680, 3953, 5140, 7906, 10280, 15163, 15812, 17219, 19765, 30326, 31624, 34438, 39530, 60652, 68876, 75815, 79060, 86095, 121304, 137752, 151630, 158120, 172190, 303260, 344380, 606520, 688760, 1015921, 2031842, 4063684, 5079605, 8127368, 10159210, 20318420, 40636840]

約数ペア:

[(1, 40636840), (2, 20318420), (4, 10159210), (5, 8127368), (8, 5079605), (10, 4063684), (20, 2031842), (40, 1015921), (59, 688760), (67, 606520), (118, 344380), (134, 303260), (236, 172190), (257, 158120), (268, 151630), (295, 137752), (335, 121304), (472, 86095), (514, 79060), (536, 75815), (590, 68876), (670, 60652), (1028, 39530), (1180, 34438), (1285, 31624), (1340, 30326), (2056, 19765), (2360, 17219), (2570, 15812), (2680, 15163), (3953, 10280), (5140, 7906)]