30406840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40009}}^1$

素因数の和:40039

約数の個数: 32

約数和(自身を含む): 72018000

約数和(自身を除く): 41611160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 40009, 80018, 160036, 200045, 320072, 400090, 760171, 800180, 1520342, 1600360, 3040684, 3800855, 6081368, 7601710, 15203420, 30406840]

約数ペア:

[(1, 30406840), (2, 15203420), (4, 7601710), (5, 6081368), (8, 3800855), (10, 3040684), (19, 1600360), (20, 1520342), (38, 800180), (40, 760171), (76, 400090), (95, 320072), (152, 200045), (190, 160036), (380, 80018), (760, 40009)]