8188640

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 19686240

約数和(自身を除く): 11497600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 839, 976, 1220, 1678, 1952, 2440, 3356, 4195, 4880, 6712, 8390, 9760, 13424, 16780, 26848, 33560, 51179, 67120, 102358, 134240, 204716, 255895, 409432, 511790, 818864, 1023580, 1637728, 2047160, 4094320, 8188640]

約数ペア:

[(1, 8188640), (2, 4094320), (4, 2047160), (5, 1637728), (8, 1023580), (10, 818864), (16, 511790), (20, 409432), (32, 255895), (40, 204716), (61, 134240), (80, 102358), (122, 67120), (160, 51179), (244, 33560), (305, 26848), (488, 16780), (610, 13424), (839, 9760), (976, 8390), (1220, 6712), (1678, 4880), (1952, 4195), (2440, 3356)]