31605740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2683}}^1$

素因数の和:2742

約数の個数: 48

約数和(自身を含む): 72145920

約数和(自身を除く): 40540180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2683, 2945, 5366, 5890, 10732, 11780, 13415, 26830, 50977, 53660, 83173, 101954, 166346, 203908, 254885, 332692, 415865, 509770, 831730, 1019540, 1580287, 1663460, 3160574, 6321148, 7901435, 15802870, 31605740]

約数ペア:

[(1, 31605740), (2, 15802870), (4, 7901435), (5, 6321148), (10, 3160574), (19, 1663460), (20, 1580287), (31, 1019540), (38, 831730), (62, 509770), (76, 415865), (95, 332692), (124, 254885), (155, 203908), (190, 166346), (310, 101954), (380, 83173), (589, 53660), (620, 50977), (1178, 26830), (2356, 13415), (2683, 11780), (2945, 10732), (5366, 5890)]