84887920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2633}}^1$

素因数の和:2690

約数の個数: 80

約数和(自身を含む): 219485952

約数和(自身を除く): 134598032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 2633, 3224, 4030, 5266, 6448, 8060, 10532, 13165, 16120, 21064, 26330, 32240, 34229, 42128, 52660, 68458, 81623, 105320, 136916, 163246, 171145, 210640, 273832, 326492, 342290, 408115, 547664, 652984, 684580, 816230, 1061099, 1305968, 1369160, 1632460, 2122198, 2738320, 3264920, 4244396, 5305495, 6529840, 8488792, 10610990, 16977584, 21221980, 42443960, 84887920]

約数ペア:

[(1, 84887920), (2, 42443960), (4, 21221980), (5, 16977584), (8, 10610990), (10, 8488792), (13, 6529840), (16, 5305495), (20, 4244396), (26, 3264920), (31, 2738320), (40, 2122198), (52, 1632460), (62, 1369160), (65, 1305968), (80, 1061099), (104, 816230), (124, 684580), (130, 652984), (155, 547664), (208, 408115), (248, 342290), (260, 326492), (310, 273832), (403, 210640), (496, 171145), (520, 163246), (620, 136916), (806, 105320), (1040, 81623), (1240, 68458), (1612, 52660), (2015, 42128), (2480, 34229), (2633, 32240), (3224, 26330), (4030, 21064), (5266, 16120), (6448, 13165), (8060, 10532)]