8980493380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{23911}}^1$

素因数の和:24220

約数の個数: 48

約数和(自身を含む): 19162120320

約数和(自身を除く): 10181626940

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 211, 356, 422, 445, 844, 890, 1055, 1780, 2110, 4220, 18779, 23911, 37558, 47822, 75116, 93895, 95644, 119555, 187790, 239110, 375580, 478220, 2128079, 4256158, 5045221, 8512316, 10090442, 10640395, 20180884, 21280790, 25226105, 42561580, 50452210, 100904420, 449024669, 898049338, 1796098676, 2245123345, 4490246690, 8980493380]

約数ペア:

[(1, 8980493380), (2, 4490246690), (4, 2245123345), (5, 1796098676), (10, 898049338), (20, 449024669), (89, 100904420), (178, 50452210), (211, 42561580), (356, 25226105), (422, 21280790), (445, 20180884), (844, 10640395), (890, 10090442), (1055, 8512316), (1780, 5045221), (2110, 4256158), (4220, 2128079), (18779, 478220), (23911, 375580), (37558, 239110), (47822, 187790), (75116, 119555), (93895, 95644)]