40086020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2909}}^1$

素因数の和:2984

約数の個数: 48

約数和(自身を含む): 92398320

約数和(自身を除く): 52312300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 2909, 3445, 5818, 6890, 11636, 13780, 14545, 29090, 37817, 58180, 75634, 151268, 154177, 189085, 308354, 378170, 616708, 756340, 770885, 1541770, 2004301, 3083540, 4008602, 8017204, 10021505, 20043010, 40086020]

約数ペア:

[(1, 40086020), (2, 20043010), (4, 10021505), (5, 8017204), (10, 4008602), (13, 3083540), (20, 2004301), (26, 1541770), (52, 770885), (53, 756340), (65, 616708), (106, 378170), (130, 308354), (212, 189085), (260, 154177), (265, 151268), (530, 75634), (689, 58180), (1060, 37817), (1378, 29090), (2756, 14545), (2909, 13780), (3445, 11636), (5818, 6890)]