221586560

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26633}}^1$

素因数の和:26665

約数の個数: 64

約数和(自身を含む): 570500280

約数和(自身を除く): 348913720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 26633, 53266, 106532, 133165, 213064, 266330, 346229, 426128, 532660, 692458, 852256, 1065320, 1384916, 1704512, 1731145, 2130640, 2769832, 3409024, 3462290, 4261280, 5539664, 6924580, 8522560, 11079328, 13849160, 17045120, 22158656, 27698320, 44317312, 55396640, 110793280, 221586560]

約数ペア:

[(1, 221586560), (2, 110793280), (4, 55396640), (5, 44317312), (8, 27698320), (10, 22158656), (13, 17045120), (16, 13849160), (20, 11079328), (26, 8522560), (32, 6924580), (40, 5539664), (52, 4261280), (64, 3462290), (65, 3409024), (80, 2769832), (104, 2130640), (128, 1731145), (130, 1704512), (160, 1384916), (208, 1065320), (260, 852256), (320, 692458), (416, 532660), (520, 426128), (640, 346229), (832, 266330), (1040, 213064), (1664, 133165), (2080, 106532), (4160, 53266), (8320, 26633)]