8020240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3457}}^1$

素因数の和:3499

約数の個数: 40

約数和(自身を含む): 19295640

約数和(自身を除く): 11275400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 3457, 6914, 13828, 17285, 27656, 34570, 55312, 69140, 100253, 138280, 200506, 276560, 401012, 501265, 802024, 1002530, 1604048, 2005060, 4010120, 8020240]

約数ペア:

[(1, 8020240), (2, 4010120), (4, 2005060), (5, 1604048), (8, 1002530), (10, 802024), (16, 501265), (20, 401012), (29, 276560), (40, 200506), (58, 138280), (80, 100253), (116, 69140), (145, 55312), (232, 34570), (290, 27656), (464, 17285), (580, 13828), (1160, 6914), (2320, 3457)]