30716440

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2213}}^1$

素因数の和:2571

約数の個数: 32

約数和(自身を含む): 69342480

約数和(自身を除く): 38626040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2213, 2776, 3470, 4426, 6940, 8852, 11065, 13880, 17704, 22130, 44260, 88520, 767911, 1535822, 3071644, 3839555, 6143288, 7679110, 15358220, 30716440]

約数ペア:

[(1, 30716440), (2, 15358220), (4, 7679110), (5, 6143288), (8, 3839555), (10, 3071644), (20, 1535822), (40, 767911), (347, 88520), (694, 44260), (1388, 22130), (1735, 17704), (2213, 13880), (2776, 11065), (3470, 8852), (4426, 6940)]