80327500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 120

約数和(自身を含む): 201535488

約数和(自身を除く): 121207988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 125, 127, 220, 230, 250, 253, 254, 275, 460, 500, 506, 508, 550, 575, 625, 635, 1012, 1100, 1150, 1250, 1265, 1270, 1375, 1397, 2300, 2500, 2530, 2540, 2750, 2794, 2875, 2921, 3175, 5060, 5500, 5588, 5750, 5842, 6325, 6350, 6875, 6985, 11500, 11684, 12650, 12700, 13750, 13970, 14375, 14605, 15875, 25300, 27500, 27940, 28750, 29210, 31625, 31750, 32131, 34925, 57500, 58420, 63250, 63500, 64262, 69850, 73025, 79375, 126500, 128524, 139700, 146050, 158125, 158750, 160655, 174625, 292100, 316250, 317500, 321310, 349250, 365125, 632500, 642620, 698500, 730250, 803275, 873125, 1460500, 1606550, 1746250, 1825625, 3213100, 3492500, 3651250, 4016375, 7302500, 8032750, 16065500, 20081875, 40163750, 80327500]

約数ペア:

[(1, 80327500), (2, 40163750), (4, 20081875), (5, 16065500), (10, 8032750), (11, 7302500), (20, 4016375), (22, 3651250), (23, 3492500), (25, 3213100), (44, 1825625), (46, 1746250), (50, 1606550), (55, 1460500), (92, 873125), (100, 803275), (110, 730250), (115, 698500), (125, 642620), (127, 632500), (220, 365125), (230, 349250), (250, 321310), (253, 317500), (254, 316250), (275, 292100), (460, 174625), (500, 160655), (506, 158750), (508, 158125), (550, 146050), (575, 139700), (625, 128524), (635, 126500), (1012, 79375), (1100, 73025), (1150, 69850), (1250, 64262), (1265, 63500), (1270, 63250), (1375, 58420), (1397, 57500), (2300, 34925), (2500, 32131), (2530, 31750), (2540, 31625), (2750, 29210), (2794, 28750), (2875, 27940), (2921, 27500), (3175, 25300), (5060, 15875), (5500, 14605), (5588, 14375), (5750, 13970), (5842, 13750), (6325, 12700), (6350, 12650), (6875, 11684), (6985, 11500)]