128168440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{188483}}^1$

素因数の和:188511

約数の個数: 32

約数和(自身を含む): 305344080

約数和(自身を除く): 177175640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 188483, 376966, 753932, 942415, 1507864, 1884830, 3204211, 3769660, 6408422, 7539320, 12816844, 16021055, 25633688, 32042110, 64084220, 128168440]

約数ペア:

[(1, 128168440), (2, 64084220), (4, 32042110), (5, 25633688), (8, 16021055), (10, 12816844), (17, 7539320), (20, 6408422), (34, 3769660), (40, 3204211), (68, 1884830), (85, 1507864), (136, 942415), (170, 753932), (340, 376966), (680, 188483)]