20280778050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10400399}}^1$

素因数の和:10400427

約数の個数: 48

約数和(自身を含む): 54165283200

約数和(自身を除く): 33884505150

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10400399, 20800798, 31201197, 52001995, 62402394, 104003990, 135205187, 156005985, 260009975, 270410374, 312011970, 405615561, 520019950, 676025935, 780029925, 811231122, 1352051870, 1560059850, 2028077805, 3380129675, 4056155610, 6760259350, 10140389025, 20280778050]

約数ペア:

[(1, 20280778050), (2, 10140389025), (3, 6760259350), (5, 4056155610), (6, 3380129675), (10, 2028077805), (13, 1560059850), (15, 1352051870), (25, 811231122), (26, 780029925), (30, 676025935), (39, 520019950), (50, 405615561), (65, 312011970), (75, 270410374), (78, 260009975), (130, 156005985), (150, 135205187), (195, 104003990), (325, 62402394), (390, 52001995), (650, 31201197), (975, 20800798), (1950, 10400399)]