28616320

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 69627240

約数和(自身を除く): 41010920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 733, 976, 1220, 1466, 1952, 2440, 2932, 3665, 3904, 4880, 5864, 7330, 7808, 9760, 11728, 14660, 19520, 23456, 29320, 39040, 44713, 46912, 58640, 89426, 93824, 117280, 178852, 223565, 234560, 357704, 447130, 469120, 715408, 894260, 1430816, 1788520, 2861632, 3577040, 5723264, 7154080, 14308160, 28616320]

約数ペア:

[(1, 28616320), (2, 14308160), (4, 7154080), (5, 5723264), (8, 3577040), (10, 2861632), (16, 1788520), (20, 1430816), (32, 894260), (40, 715408), (61, 469120), (64, 447130), (80, 357704), (122, 234560), (128, 223565), (160, 178852), (244, 117280), (305, 93824), (320, 89426), (488, 58640), (610, 46912), (640, 44713), (733, 39040), (976, 29320), (1220, 23456), (1466, 19520), (1952, 14660), (2440, 11728), (2932, 9760), (3665, 7808), (3904, 7330), (4880, 5864)]