80572180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18229}}^1$

素因数の和:18268

約数の個数: 48

約数和(自身を含む): 192946320

約数和(自身を除く): 112374140

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 18229, 36458, 72916, 91145, 182290, 236977, 309893, 364580, 473954, 619786, 947908, 1184885, 1239572, 1549465, 2369770, 3098930, 4028609, 4739540, 6197860, 8057218, 16114436, 20143045, 40286090, 80572180]

約数ペア:

[(1, 80572180), (2, 40286090), (4, 20143045), (5, 16114436), (10, 8057218), (13, 6197860), (17, 4739540), (20, 4028609), (26, 3098930), (34, 2369770), (52, 1549465), (65, 1239572), (68, 1184885), (85, 947908), (130, 619786), (170, 473954), (221, 364580), (260, 309893), (340, 236977), (442, 182290), (884, 91145), (1105, 72916), (2210, 36458), (4420, 18229)]