9920240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11273}}^1$

素因数の和:11297

約数の個数: 40

約数和(自身を含む): 25163568

約数和(自身を除く): 15243328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 11273, 22546, 45092, 56365, 90184, 112730, 124003, 180368, 225460, 248006, 450920, 496012, 620015, 901840, 992024, 1240030, 1984048, 2480060, 4960120, 9920240]

約数ペア:

[(1, 9920240), (2, 4960120), (4, 2480060), (5, 1984048), (8, 1240030), (10, 992024), (11, 901840), (16, 620015), (20, 496012), (22, 450920), (40, 248006), (44, 225460), (55, 180368), (80, 124003), (88, 112730), (110, 90184), (176, 56365), (220, 45092), (440, 22546), (880, 11273)]