31503742960

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1\times {\mathrm{8089}}^1$

素因数の和:8738

約数の個数: 80

約数和(自身を含む): 74213776800

約数和(自身を除く): 42710033840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 547, 712, 890, 1094, 1424, 1780, 2188, 2735, 3560, 4376, 5470, 7120, 8089, 8752, 10940, 16178, 21880, 32356, 40445, 43760, 48683, 64712, 80890, 97366, 129424, 161780, 194732, 243415, 323560, 389464, 486830, 647120, 719921, 778928, 973660, 1439842, 1947320, 2879684, 3599605, 3894640, 4424683, 5759368, 7199210, 8849366, 11518736, 14398420, 17698732, 22123415, 28796840, 35397464, 44246830, 57593680, 70794928, 88493660, 176987320, 353974640, 393796787, 787593574, 1575187148, 1968983935, 3150374296, 3937967870, 6300748592, 7875935740, 15751871480, 31503742960]

約数ペア:

[(1, 31503742960), (2, 15751871480), (4, 7875935740), (5, 6300748592), (8, 3937967870), (10, 3150374296), (16, 1968983935), (20, 1575187148), (40, 787593574), (80, 393796787), (89, 353974640), (178, 176987320), (356, 88493660), (445, 70794928), (547, 57593680), (712, 44246830), (890, 35397464), (1094, 28796840), (1424, 22123415), (1780, 17698732), (2188, 14398420), (2735, 11518736), (3560, 8849366), (4376, 7199210), (5470, 5759368), (7120, 4424683), (8089, 3894640), (8752, 3599605), (10940, 2879684), (16178, 1947320), (21880, 1439842), (32356, 973660), (40445, 778928), (43760, 719921), (48683, 647120), (64712, 486830), (80890, 389464), (97366, 323560), (129424, 243415), (161780, 194732)]