40864876

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1082

約数の個数: 36

約数和(自身を含む): 78786624

約数和(自身を除く): 37921748

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 169, 244, 338, 676, 793, 991, 1586, 1982, 3172, 3964, 10309, 12883, 20618, 25766, 41236, 51532, 60451, 120902, 167479, 241804, 334958, 669916, 785863, 1571726, 3143452, 10216219, 20432438, 40864876]

約数ペア:

[(1, 40864876), (2, 20432438), (4, 10216219), (13, 3143452), (26, 1571726), (52, 785863), (61, 669916), (122, 334958), (169, 241804), (244, 167479), (338, 120902), (676, 60451), (793, 51532), (991, 41236), (1586, 25766), (1982, 20618), (3172, 12883), (3964, 10309)]