917869840

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{87583}}^1$

素因数の和:87727

約数の個数: 40

約数和(自身を含む): 2150362368

約数和(自身を除く): 1232492528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 87583, 175166, 350332, 437915, 700664, 875830, 1401328, 1751660, 3503320, 7006640, 11473373, 22946746, 45893492, 57366865, 91786984, 114733730, 183573968, 229467460, 458934920, 917869840]

約数ペア:

[(1, 917869840), (2, 458934920), (4, 229467460), (5, 183573968), (8, 114733730), (10, 91786984), (16, 57366865), (20, 45893492), (40, 22946746), (80, 11473373), (131, 7006640), (262, 3503320), (524, 1751660), (655, 1401328), (1048, 875830), (1310, 700664), (2096, 437915), (2620, 350332), (5240, 175166), (10480, 87583)]