54457120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20021}}^1$

素因数の和:20053

約数の個数: 48

約数和(自身を含む): 136229688

約数和(自身を除く): 81772568

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 20021, 40042, 80084, 100105, 160168, 200210, 320336, 340357, 400420, 640672, 680714, 800840, 1361428, 1601680, 1701785, 2722856, 3203360, 3403570, 5445712, 6807140, 10891424, 13614280, 27228560, 54457120]

約数ペア:

[(1, 54457120), (2, 27228560), (4, 13614280), (5, 10891424), (8, 6807140), (10, 5445712), (16, 3403570), (17, 3203360), (20, 2722856), (32, 1701785), (34, 1601680), (40, 1361428), (68, 800840), (80, 680714), (85, 640672), (136, 400420), (160, 340357), (170, 320336), (272, 200210), (340, 160168), (544, 100105), (680, 80084), (1360, 40042), (2720, 20021)]