207905840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83833}}^1$

素因数の和:83877

約数の個数: 40

約数和(自身を含む): 498979968

約数和(自身を除く): 291074128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 83833, 167666, 335332, 419165, 670664, 838330, 1341328, 1676660, 2598823, 3353320, 5197646, 6706640, 10395292, 12994115, 20790584, 25988230, 41581168, 51976460, 103952920, 207905840]

約数ペア:

[(1, 207905840), (2, 103952920), (4, 51976460), (5, 41581168), (8, 25988230), (10, 20790584), (16, 12994115), (20, 10395292), (31, 6706640), (40, 5197646), (62, 3353320), (80, 2598823), (124, 1676660), (155, 1341328), (248, 838330), (310, 670664), (496, 419165), (620, 335332), (1240, 167666), (2480, 83833)]