77887968260

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{521}}^1\times {\mathrm{17027}}^1$

素因数の和:17996

約数の個数: 48

約数和(自身を含む): 164261623680

約数和(自身を除く): 86373655420

約数列:

[1, 2, 4, 5, 10, 20, 439, 521, 878, 1042, 1756, 2084, 2195, 2605, 4390, 5210, 8780, 10420, 17027, 34054, 68108, 85135, 170270, 228719, 340540, 457438, 914876, 1143595, 2287190, 4574380, 7474853, 8871067, 14949706, 17742134, 29899412, 35484268, 37374265, 44355335, 74748530, 88710670, 149497060, 177421340, 3894398413, 7788796826, 15577593652, 19471992065, 38943984130, 77887968260]

約数ペア:

[(1, 77887968260), (2, 38943984130), (4, 19471992065), (5, 15577593652), (10, 7788796826), (20, 3894398413), (439, 177421340), (521, 149497060), (878, 88710670), (1042, 74748530), (1756, 44355335), (2084, 37374265), (2195, 35484268), (2605, 29899412), (4390, 17742134), (5210, 14949706), (8780, 8871067), (10420, 7474853), (17027, 4574380), (34054, 2287190), (68108, 1143595), (85135, 914876), (170270, 457438), (228719, 340540)]