8045740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 18385920

約数和(自身を除く): 10340180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 683, 1178, 1366, 2356, 2732, 2945, 3415, 5890, 6830, 11780, 12977, 13660, 21173, 25954, 42346, 51908, 64885, 84692, 105865, 129770, 211730, 259540, 402287, 423460, 804574, 1609148, 2011435, 4022870, 8045740]

約数ペア:

[(1, 8045740), (2, 4022870), (4, 2011435), (5, 1609148), (10, 804574), (19, 423460), (20, 402287), (31, 259540), (38, 211730), (62, 129770), (76, 105865), (95, 84692), (124, 64885), (155, 51908), (190, 42346), (310, 25954), (380, 21173), (589, 13660), (620, 12977), (683, 11780), (1178, 6830), (1366, 5890), (2356, 3415), (2732, 2945)]