31303840

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2017}}^1$

素因数の和:2129

約数の個数: 48

約数和(自身を含む): 74754792

約数和(自身を除く): 43450952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 2017, 3104, 3880, 4034, 7760, 8068, 10085, 15520, 16136, 20170, 32272, 40340, 64544, 80680, 161360, 195649, 322720, 391298, 782596, 978245, 1565192, 1956490, 3130384, 3912980, 6260768, 7825960, 15651920, 31303840]

約数ペア:

[(1, 31303840), (2, 15651920), (4, 7825960), (5, 6260768), (8, 3912980), (10, 3130384), (16, 1956490), (20, 1565192), (32, 978245), (40, 782596), (80, 391298), (97, 322720), (160, 195649), (194, 161360), (388, 80680), (485, 64544), (776, 40340), (970, 32272), (1552, 20170), (1940, 16136), (2017, 15520), (3104, 10085), (3880, 8068), (4034, 7760)]