28777360

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5897}}^1$

素因数の和:5971

約数の個数: 40

約数和(自身を含む): 68015736

約数和(自身を除く): 39238376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5897, 11794, 23588, 29485, 47176, 58970, 94352, 117940, 235880, 359717, 471760, 719434, 1438868, 1798585, 2877736, 3597170, 5755472, 7194340, 14388680, 28777360]

約数ペア:

[(1, 28777360), (2, 14388680), (4, 7194340), (5, 5755472), (8, 3597170), (10, 2877736), (16, 1798585), (20, 1438868), (40, 719434), (61, 471760), (80, 359717), (122, 235880), (244, 117940), (305, 94352), (488, 58970), (610, 47176), (976, 29485), (1220, 23588), (2440, 11794), (4880, 5897)]