118500625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 165322080

約数和(自身を除く): 46821455

約数列:

[1, 5, 17, 19, 25, 85, 95, 125, 323, 425, 475, 587, 625, 1615, 2125, 2375, 2935, 8075, 9979, 10625, 11153, 11875, 14675, 40375, 49895, 55765, 73375, 189601, 201875, 249475, 278825, 366875, 948005, 1247375, 1394125, 4740025, 6236875, 6970625, 23700125, 118500625]

約数ペア:

[(1, 118500625), (5, 23700125), (17, 6970625), (19, 6236875), (25, 4740025), (85, 1394125), (95, 1247375), (125, 948005), (323, 366875), (425, 278825), (475, 249475), (587, 201875), (625, 189601), (1615, 73375), (2125, 55765), (2375, 49895), (2935, 40375), (8075, 14675), (9979, 11875), (10625, 11153)]