201456160

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20641}}^1$

素因数の和:20717

約数の個数: 48

約数和(自身を含む): 483765912

約数和(自身を除く): 282309752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 20641, 41282, 82564, 103205, 165128, 206410, 330256, 412820, 660512, 825640, 1259101, 1651280, 2518202, 3302560, 5036404, 6295505, 10072808, 12591010, 20145616, 25182020, 40291232, 50364040, 100728080, 201456160]

約数ペア:

[(1, 201456160), (2, 100728080), (4, 50364040), (5, 40291232), (8, 25182020), (10, 20145616), (16, 12591010), (20, 10072808), (32, 6295505), (40, 5036404), (61, 3302560), (80, 2518202), (122, 1651280), (160, 1259101), (244, 825640), (305, 660512), (488, 412820), (610, 330256), (976, 206410), (1220, 165128), (1952, 103205), (2440, 82564), (4880, 41282), (9760, 20641)]