2018044520

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1\times {\mathrm{1091}}^1$

素因数の和:1586

約数の個数: 64

約数和(自身を含む): 4592427840

約数和(自身を除く): 2574383320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 353, 524, 655, 706, 1048, 1091, 1310, 1412, 1765, 2182, 2620, 2824, 3530, 4364, 5240, 5455, 7060, 8728, 10910, 14120, 21820, 43640, 46243, 92486, 142921, 184972, 231215, 285842, 369944, 385123, 462430, 571684, 714605, 770246, 924860, 1143368, 1429210, 1540492, 1849720, 1925615, 2858420, 3080984, 3851230, 5716840, 7702460, 15404920, 50451113, 100902226, 201804452, 252255565, 403608904, 504511130, 1009022260, 2018044520]

約数ペア:

[(1, 2018044520), (2, 1009022260), (4, 504511130), (5, 403608904), (8, 252255565), (10, 201804452), (20, 100902226), (40, 50451113), (131, 15404920), (262, 7702460), (353, 5716840), (524, 3851230), (655, 3080984), (706, 2858420), (1048, 1925615), (1091, 1849720), (1310, 1540492), (1412, 1429210), (1765, 1143368), (2182, 924860), (2620, 770246), (2824, 714605), (3530, 571684), (4364, 462430), (5240, 385123), (5455, 369944), (7060, 285842), (8728, 231215), (10910, 184972), (14120, 142921), (21820, 92486), (43640, 46243)]