89561980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 192092544

約数和(自身を除く): 102530564

約数列:

[1, 2, 4, 5, 10, 20, 83, 163, 166, 326, 331, 332, 415, 652, 662, 815, 830, 1324, 1630, 1655, 1660, 3260, 3310, 6620, 13529, 27058, 27473, 53953, 54116, 54946, 67645, 107906, 109892, 135290, 137365, 215812, 269765, 270580, 274730, 539530, 549460, 1079060, 4478099, 8956198, 17912396, 22390495, 44780990, 89561980]

約数ペア:

[(1, 89561980), (2, 44780990), (4, 22390495), (5, 17912396), (10, 8956198), (20, 4478099), (83, 1079060), (163, 549460), (166, 539530), (326, 274730), (331, 270580), (332, 269765), (415, 215812), (652, 137365), (662, 135290), (815, 109892), (830, 107906), (1324, 67645), (1630, 54946), (1655, 54116), (1660, 53953), (3260, 27473), (3310, 27058), (6620, 13529)]