42450625

素因数分解:

$5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:371

約数の個数: 40

約数和(自身を含む): 62779904

約数和(自身を除く): 20329279

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 217, 313, 625, 775, 875, 1085, 1565, 2191, 3875, 4375, 5425, 7825, 9703, 10955, 19375, 27125, 39125, 48515, 54775, 67921, 135625, 195625, 242575, 273875, 339605, 1212875, 1369375, 1698025, 6064375, 8490125, 42450625]

約数ペア:

[(1, 42450625), (5, 8490125), (7, 6064375), (25, 1698025), (31, 1369375), (35, 1212875), (125, 339605), (155, 273875), (175, 242575), (217, 195625), (313, 135625), (625, 67921), (775, 54775), (875, 48515), (1085, 39125), (1565, 27125), (2191, 19375), (3875, 10955), (4375, 9703), (5425, 7825)]