101680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:85

約数の個数: 40

約数和(自身を含む): 249984

約数和(自身を除く): 148304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1640, 2480, 2542, 3280, 5084, 6355, 10168, 12710, 20336, 25420, 50840, 101680]

約数ペア:

[(1, 101680), (2, 50840), (4, 25420), (5, 20336), (8, 12710), (10, 10168), (16, 6355), (20, 5084), (31, 3280), (40, 2542), (41, 2480), (62, 1640), (80, 1271), (82, 1240), (124, 820), (155, 656), (164, 620), (205, 496), (248, 410), (310, 328)]