40889888

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{7561}}^1$

素因数の和:7597

約数の個数: 36

約数和(自身を含む): 87182298

約数和(自身を除く): 46292410

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 7561, 15122, 30244, 60488, 98293, 120976, 196586, 241952, 393172, 786344, 1277809, 1572688, 2555618, 3145376, 5111236, 10222472, 20444944, 40889888]

約数ペア:

[(1, 40889888), (2, 20444944), (4, 10222472), (8, 5111236), (13, 3145376), (16, 2555618), (26, 1572688), (32, 1277809), (52, 786344), (104, 393172), (169, 241952), (208, 196586), (338, 120976), (416, 98293), (676, 60488), (1352, 30244), (2704, 15122), (5408, 7561)]