64700320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21283}}^1$

素因数の和:21317

約数の個数: 48

約数和(自身を含む): 160907040

約数和(自身を除く): 96206720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 21283, 42566, 85132, 106415, 170264, 212830, 340528, 404377, 425660, 681056, 808754, 851320, 1617508, 1702640, 2021885, 3235016, 3405280, 4043770, 6470032, 8087540, 12940064, 16175080, 32350160, 64700320]

約数ペア:

[(1, 64700320), (2, 32350160), (4, 16175080), (5, 12940064), (8, 8087540), (10, 6470032), (16, 4043770), (19, 3405280), (20, 3235016), (32, 2021885), (38, 1702640), (40, 1617508), (76, 851320), (80, 808754), (95, 681056), (152, 425660), (160, 404377), (190, 340528), (304, 212830), (380, 170264), (608, 106415), (760, 85132), (1520, 42566), (3040, 21283)]