72853520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14929}}^1$

素因数の和:15003

約数の個数: 40

約数和(自身を含む): 172172760

約数和(自身を除く): 99319240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 14929, 29858, 59716, 74645, 119432, 149290, 238864, 298580, 597160, 910669, 1194320, 1821338, 3642676, 4553345, 7285352, 9106690, 14570704, 18213380, 36426760, 72853520]

約数ペア:

[(1, 72853520), (2, 36426760), (4, 18213380), (5, 14570704), (8, 9106690), (10, 7285352), (16, 4553345), (20, 3642676), (40, 1821338), (61, 1194320), (80, 910669), (122, 597160), (244, 298580), (305, 238864), (488, 149290), (610, 119432), (976, 74645), (1220, 59716), (2440, 29858), (4880, 14929)]