129587440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52253}}^1$

素因数の和:52297

約数の個数: 40

約数和(自身を含む): 311015808

約数和(自身を除く): 181428368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 52253, 104506, 209012, 261265, 418024, 522530, 836048, 1045060, 1619843, 2090120, 3239686, 4180240, 6479372, 8099215, 12958744, 16198430, 25917488, 32396860, 64793720, 129587440]

約数ペア:

[(1, 129587440), (2, 64793720), (4, 32396860), (5, 25917488), (8, 16198430), (10, 12958744), (16, 8099215), (20, 6479372), (31, 4180240), (40, 3239686), (62, 2090120), (80, 1619843), (124, 1045060), (155, 836048), (248, 522530), (310, 418024), (496, 261265), (620, 209012), (1240, 104506), (2480, 52253)]