8209045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:94

約数の個数: 48

約数和(自身を含む): 12378240

約数和(自身を除く): 4169195

約数列:

[1, 5, 13, 17, 19, 23, 65, 85, 95, 115, 221, 247, 289, 299, 323, 391, 437, 1105, 1235, 1445, 1495, 1615, 1955, 2185, 3757, 4199, 5083, 5491, 5681, 6647, 7429, 18785, 20995, 25415, 27455, 28405, 33235, 37145, 71383, 86411, 96577, 126293, 356915, 432055, 482885, 631465, 1641809, 8209045]

約数ペア:

[(1, 8209045), (5, 1641809), (13, 631465), (17, 482885), (19, 432055), (23, 356915), (65, 126293), (85, 96577), (95, 86411), (115, 71383), (221, 37145), (247, 33235), (289, 28405), (299, 27455), (323, 25415), (391, 20995), (437, 18785), (1105, 7429), (1235, 6647), (1445, 5681), (1495, 5491), (1615, 5083), (1955, 4199), (2185, 3757)]