87341020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5507}}^1$

素因数の和:5590

約数の個数: 48

約数和(自身を含む): 200799648

約数和(自身を除く): 113458628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 5507, 7930, 11014, 15860, 22028, 27535, 55070, 71591, 110140, 143182, 286364, 335927, 357955, 671854, 715910, 1343708, 1431820, 1679635, 3359270, 4367051, 6718540, 8734102, 17468204, 21835255, 43670510, 87341020]

約数ペア:

[(1, 87341020), (2, 43670510), (4, 21835255), (5, 17468204), (10, 8734102), (13, 6718540), (20, 4367051), (26, 3359270), (52, 1679635), (61, 1431820), (65, 1343708), (122, 715910), (130, 671854), (244, 357955), (260, 335927), (305, 286364), (610, 143182), (793, 110140), (1220, 71591), (1586, 55070), (3172, 27535), (3965, 22028), (5507, 15860), (7930, 11014)]