79961990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{2677}}^1$

素因数の和:2816

約数の個数: 32

約数和(自身を含む): 150396480

約数和(自身を除く): 70434490

約数列:

[1, 2, 5, 10, 29, 58, 103, 145, 206, 290, 515, 1030, 2677, 2987, 5354, 5974, 13385, 14935, 26770, 29870, 77633, 155266, 275731, 388165, 551462, 776330, 1378655, 2757310, 7996199, 15992398, 39980995, 79961990]

約数ペア:

[(1, 79961990), (2, 39980995), (5, 15992398), (10, 7996199), (29, 2757310), (58, 1378655), (103, 776330), (145, 551462), (206, 388165), (290, 275731), (515, 155266), (1030, 77633), (2677, 29870), (2987, 26770), (5354, 14935), (5974, 13385)]