8953880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 22105440

約数和(自身を除く): 13151560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 257, 260, 268, 335, 514, 520, 536, 670, 871, 1028, 1285, 1340, 1742, 2056, 2570, 2680, 3341, 3484, 4355, 5140, 6682, 6968, 8710, 10280, 13364, 16705, 17219, 17420, 26728, 33410, 34438, 34840, 66820, 68876, 86095, 133640, 137752, 172190, 223847, 344380, 447694, 688760, 895388, 1119235, 1790776, 2238470, 4476940, 8953880]

約数ペア:

[(1, 8953880), (2, 4476940), (4, 2238470), (5, 1790776), (8, 1119235), (10, 895388), (13, 688760), (20, 447694), (26, 344380), (40, 223847), (52, 172190), (65, 137752), (67, 133640), (104, 86095), (130, 68876), (134, 66820), (257, 34840), (260, 34438), (268, 33410), (335, 26728), (514, 17420), (520, 17219), (536, 16705), (670, 13364), (871, 10280), (1028, 8710), (1285, 6968), (1340, 6682), (1742, 5140), (2056, 4355), (2570, 3484), (2680, 3341)]