88878860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20479}}^1$

素因数の和:20526

約数の個数: 48

約数和(自身を含む): 220200960

約数和(自身を除く): 131322100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 20479, 40958, 81916, 102395, 143353, 204790, 286706, 409580, 573412, 634849, 716765, 1269698, 1433530, 2539396, 2867060, 3174245, 4443943, 6348490, 8887886, 12696980, 17775772, 22219715, 44439430, 88878860]

約数ペア:

[(1, 88878860), (2, 44439430), (4, 22219715), (5, 17775772), (7, 12696980), (10, 8887886), (14, 6348490), (20, 4443943), (28, 3174245), (31, 2867060), (35, 2539396), (62, 1433530), (70, 1269698), (124, 716765), (140, 634849), (155, 573412), (217, 409580), (310, 286706), (434, 204790), (620, 143353), (868, 102395), (1085, 81916), (2170, 40958), (4340, 20479)]