28650820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4201}}^1$

素因数の和:4252

約数の個数: 48

約数和(自身を含む): 67769856

約数和(自身を除く): 39119036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 4201, 6820, 8402, 16804, 21005, 42010, 46211, 84020, 92422, 130231, 184844, 231055, 260462, 462110, 520924, 651155, 924220, 1302310, 1432541, 2604620, 2865082, 5730164, 7162705, 14325410, 28650820]

約数ペア:

[(1, 28650820), (2, 14325410), (4, 7162705), (5, 5730164), (10, 2865082), (11, 2604620), (20, 1432541), (22, 1302310), (31, 924220), (44, 651155), (55, 520924), (62, 462110), (110, 260462), (124, 231055), (155, 184844), (220, 130231), (310, 92422), (341, 84020), (620, 46211), (682, 42010), (1364, 21005), (1705, 16804), (3410, 8402), (4201, 6820)]