80172040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2909}}^1$

素因数の和:2986

約数の個数: 64

約数和(自身を含む): 197996400

約数和(自身を除く): 117824360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 2909, 3445, 5512, 5818, 6890, 11636, 13780, 14545, 23272, 27560, 29090, 37817, 58180, 75634, 116360, 151268, 154177, 189085, 302536, 308354, 378170, 616708, 756340, 770885, 1233416, 1512680, 1541770, 2004301, 3083540, 4008602, 6167080, 8017204, 10021505, 16034408, 20043010, 40086020, 80172040]

約数ペア:

[(1, 80172040), (2, 40086020), (4, 20043010), (5, 16034408), (8, 10021505), (10, 8017204), (13, 6167080), (20, 4008602), (26, 3083540), (40, 2004301), (52, 1541770), (53, 1512680), (65, 1233416), (104, 770885), (106, 756340), (130, 616708), (212, 378170), (260, 308354), (265, 302536), (424, 189085), (520, 154177), (530, 151268), (689, 116360), (1060, 75634), (1378, 58180), (2120, 37817), (2756, 29090), (2909, 27560), (3445, 23272), (5512, 14545), (5818, 13780), (6890, 11636)]