81055328

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:951

約数の個数: 48

約数和(自身を含む): 166561920

約数和(自身を除く): 85506592

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 101, 124, 202, 248, 404, 496, 808, 809, 992, 1616, 1618, 3131, 3232, 3236, 6262, 6472, 12524, 12944, 25048, 25079, 25888, 50096, 50158, 81709, 100192, 100316, 163418, 200632, 326836, 401264, 653672, 802528, 1307344, 2532979, 2614688, 5065958, 10131916, 20263832, 40527664, 81055328]

約数ペア:

[(1, 81055328), (2, 40527664), (4, 20263832), (8, 10131916), (16, 5065958), (31, 2614688), (32, 2532979), (62, 1307344), (101, 802528), (124, 653672), (202, 401264), (248, 326836), (404, 200632), (496, 163418), (808, 100316), (809, 100192), (992, 81709), (1616, 50158), (1618, 50096), (3131, 25888), (3232, 25079), (3236, 25048), (6262, 12944), (6472, 12524)]