9940240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7309}}^1$

素因数の和:7339

約数の個数: 40

約数和(自身を含む): 24473880

約数和(自身を除く): 14533640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 7309, 14618, 29236, 36545, 58472, 73090, 116944, 124253, 146180, 248506, 292360, 497012, 584720, 621265, 994024, 1242530, 1988048, 2485060, 4970120, 9940240]

約数ペア:

[(1, 9940240), (2, 4970120), (4, 2485060), (5, 1988048), (8, 1242530), (10, 994024), (16, 621265), (17, 584720), (20, 497012), (34, 292360), (40, 248506), (68, 146180), (80, 124253), (85, 116944), (136, 73090), (170, 58472), (272, 36545), (340, 29236), (680, 14618), (1360, 7309)]