390234080

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{39983}}^1$

素因数の和:40059

約数の個数: 48

約数和(自身を含む): 937065024

約数和(自身を除く): 546830944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 39983, 79966, 159932, 199915, 319864, 399830, 639728, 799660, 1279456, 1599320, 2438963, 3198640, 4877926, 6397280, 9755852, 12194815, 19511704, 24389630, 39023408, 48779260, 78046816, 97558520, 195117040, 390234080]

約数ペア:

[(1, 390234080), (2, 195117040), (4, 97558520), (5, 78046816), (8, 48779260), (10, 39023408), (16, 24389630), (20, 19511704), (32, 12194815), (40, 9755852), (61, 6397280), (80, 4877926), (122, 3198640), (160, 2438963), (244, 1599320), (305, 1279456), (488, 799660), (610, 639728), (976, 399830), (1220, 319864), (1952, 199915), (2440, 159932), (4880, 79966), (9760, 39983)]