72820540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14741}}^1$

素因数の和:14782

約数の個数: 48

約数和(自身を含む): 173365920

約数和(自身を除く): 100545380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 14741, 29482, 58964, 73705, 147410, 191633, 280079, 294820, 383266, 560158, 766532, 958165, 1120316, 1400395, 1916330, 2800790, 3641027, 3832660, 5601580, 7282054, 14564108, 18205135, 36410270, 72820540]

約数ペア:

[(1, 72820540), (2, 36410270), (4, 18205135), (5, 14564108), (10, 7282054), (13, 5601580), (19, 3832660), (20, 3641027), (26, 2800790), (38, 1916330), (52, 1400395), (65, 1120316), (76, 958165), (95, 766532), (130, 560158), (190, 383266), (247, 294820), (260, 280079), (380, 191633), (494, 147410), (988, 73705), (1235, 58964), (2470, 29482), (4940, 14741)]