40842840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20021}}^1$

素因数の和:20052

約数の個数: 64

約数和(自身を含む): 129742560

約数和(自身を除く): 88899720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 20021, 40042, 60063, 80084, 100105, 120126, 160168, 200210, 240252, 300315, 340357, 400420, 480504, 600630, 680714, 800840, 1021071, 1201260, 1361428, 1701785, 2042142, 2402520, 2722856, 3403570, 4084284, 5105355, 6807140, 8168568, 10210710, 13614280, 20421420, 40842840]

約数ペア:

[(1, 40842840), (2, 20421420), (3, 13614280), (4, 10210710), (5, 8168568), (6, 6807140), (8, 5105355), (10, 4084284), (12, 3403570), (15, 2722856), (17, 2402520), (20, 2042142), (24, 1701785), (30, 1361428), (34, 1201260), (40, 1021071), (51, 800840), (60, 680714), (68, 600630), (85, 480504), (102, 400420), (120, 340357), (136, 300315), (170, 240252), (204, 200210), (255, 160168), (340, 120126), (408, 100105), (510, 80084), (680, 60063), (1020, 40042), (2040, 20021)]