1781150120

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{536491}}^1$

素因数の和:536585

約数の個数: 32

約数和(自身を含む): 4055879520

約数和(自身を除く): 2274729400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 536491, 1072982, 2145964, 2682455, 4291928, 5364910, 10729820, 21459640, 44528753, 89057506, 178115012, 222643765, 356230024, 445287530, 890575060, 1781150120]

約数ペア:

[(1, 1781150120), (2, 890575060), (4, 445287530), (5, 356230024), (8, 222643765), (10, 178115012), (20, 89057506), (40, 44528753), (83, 21459640), (166, 10729820), (332, 5364910), (415, 4291928), (664, 2682455), (830, 2145964), (1660, 1072982), (3320, 536491)]