40198072

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 82296000

約数和(自身を除く): 42097928

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 361, 449, 589, 722, 898, 1178, 1444, 1796, 2356, 2888, 3592, 4712, 8531, 11191, 13919, 17062, 22382, 27838, 34124, 44764, 55676, 68248, 89528, 111352, 162089, 264461, 324178, 528922, 648356, 1057844, 1296712, 2115688, 5024759, 10049518, 20099036, 40198072]

約数ペア:

[(1, 40198072), (2, 20099036), (4, 10049518), (8, 5024759), (19, 2115688), (31, 1296712), (38, 1057844), (62, 648356), (76, 528922), (124, 324178), (152, 264461), (248, 162089), (361, 111352), (449, 89528), (589, 68248), (722, 55676), (898, 44764), (1178, 34124), (1444, 27838), (1796, 22382), (2356, 17062), (2888, 13919), (3592, 11191), (4712, 8531)]