258857440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52189}}^1$

素因数の和:52235

約数の個数: 48

約数和(自身を含む): 631290240

約数和(自身を除く): 372432800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 52189, 104378, 208756, 260945, 417512, 521890, 835024, 1043780, 1617859, 1670048, 2087560, 3235718, 4175120, 6471436, 8089295, 8350240, 12942872, 16178590, 25885744, 32357180, 51771488, 64714360, 129428720, 258857440]

約数ペア:

[(1, 258857440), (2, 129428720), (4, 64714360), (5, 51771488), (8, 32357180), (10, 25885744), (16, 16178590), (20, 12942872), (31, 8350240), (32, 8089295), (40, 6471436), (62, 4175120), (80, 3235718), (124, 2087560), (155, 1670048), (160, 1617859), (248, 1043780), (310, 835024), (496, 521890), (620, 417512), (992, 260945), (1240, 208756), (2480, 104378), (4960, 52189)]