947781250

素因数分解:

$2^1\times 5^6\times {\mathrm{13}}^1\times {\mathrm{2333}}^1$

素因数の和:2378

約数の個数: 56

約数和(自身を含む): 1914584868

約数和(自身を除く): 966803618

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 2333, 3125, 3250, 4666, 6250, 8125, 11665, 15625, 16250, 23330, 30329, 31250, 40625, 58325, 60658, 81250, 116650, 151645, 203125, 291625, 303290, 406250, 583250, 758225, 1458125, 1516450, 2916250, 3791125, 7290625, 7582250, 14581250, 18955625, 36453125, 37911250, 72906250, 94778125, 189556250, 473890625, 947781250]

約数ペア:

[(1, 947781250), (2, 473890625), (5, 189556250), (10, 94778125), (13, 72906250), (25, 37911250), (26, 36453125), (50, 18955625), (65, 14581250), (125, 7582250), (130, 7290625), (250, 3791125), (325, 2916250), (625, 1516450), (650, 1458125), (1250, 758225), (1625, 583250), (2333, 406250), (3125, 303290), (3250, 291625), (4666, 203125), (6250, 151645), (8125, 116650), (11665, 81250), (15625, 60658), (16250, 58325), (23330, 40625), (30329, 31250)]