2017798120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3880381}}^1$

素因数の和:3880405

約数の個数: 32

約数和(自身を含む): 4889281320

約数和(自身を除く): 2871483200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3880381, 7760762, 15521524, 19401905, 31043048, 38803810, 50444953, 77607620, 100889906, 155215240, 201779812, 252224765, 403559624, 504449530, 1008899060, 2017798120]

約数ペア:

[(1, 2017798120), (2, 1008899060), (4, 504449530), (5, 403559624), (8, 252224765), (10, 201779812), (13, 155215240), (20, 100889906), (26, 77607620), (40, 50444953), (52, 38803810), (65, 31043048), (104, 19401905), (130, 15521524), (260, 7760762), (520, 3880381)]