421142080

素因数分解:

$2^6\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1289}}^1$

素因数の和:2327

約数の個数: 56

約数和(自身を含む): 1004605560

約数和(自身を除く): 583463480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1021, 1289, 2042, 2578, 4084, 5105, 5156, 6445, 8168, 10210, 10312, 12890, 16336, 20420, 20624, 25780, 32672, 40840, 41248, 51560, 65344, 81680, 82496, 103120, 163360, 206240, 326720, 412480, 1316069, 2632138, 5264276, 6580345, 10528552, 13160690, 21057104, 26321380, 42114208, 52642760, 84228416, 105285520, 210571040, 421142080]

約数ペア:

[(1, 421142080), (2, 210571040), (4, 105285520), (5, 84228416), (8, 52642760), (10, 42114208), (16, 26321380), (20, 21057104), (32, 13160690), (40, 10528552), (64, 6580345), (80, 5264276), (160, 2632138), (320, 1316069), (1021, 412480), (1289, 326720), (2042, 206240), (2578, 163360), (4084, 103120), (5105, 82496), (5156, 81680), (6445, 65344), (8168, 51560), (10210, 41248), (10312, 40840), (12890, 32672), (16336, 25780), (20420, 20624)]