131569072480

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2644073}}^1$

素因数の和:2644399

約数の個数: 48

約数和(自身を含む): 311831511264

約数和(自身を除く): 180262438784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1244, 1555, 2488, 3110, 4976, 6220, 9952, 12440, 24880, 49760, 2644073, 5288146, 10576292, 13220365, 21152584, 26440730, 42305168, 52881460, 84610336, 105762920, 211525840, 423051680, 822306703, 1644613406, 3289226812, 4111533515, 6578453624, 8223067030, 13156907248, 16446134060, 26313814496, 32892268120, 65784536240, 131569072480]

約数ペア:

[(1, 131569072480), (2, 65784536240), (4, 32892268120), (5, 26313814496), (8, 16446134060), (10, 13156907248), (16, 8223067030), (20, 6578453624), (32, 4111533515), (40, 3289226812), (80, 1644613406), (160, 822306703), (311, 423051680), (622, 211525840), (1244, 105762920), (1555, 84610336), (2488, 52881460), (3110, 42305168), (4976, 26440730), (6220, 21152584), (9952, 13220365), (12440, 10576292), (24880, 5288146), (49760, 2644073)]