80946512

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:687

約数の個数: 40

約数和(自身を含む): 160594632

約数和(自身を除く): 79648120

約数列:

[1, 2, 4, 8, 16, 61, 122, 197, 244, 394, 421, 488, 788, 842, 976, 1576, 1684, 3152, 3368, 6736, 12017, 24034, 25681, 48068, 51362, 82937, 96136, 102724, 165874, 192272, 205448, 331748, 410896, 663496, 1326992, 5059157, 10118314, 20236628, 40473256, 80946512]

約数ペア:

[(1, 80946512), (2, 40473256), (4, 20236628), (8, 10118314), (16, 5059157), (61, 1326992), (122, 663496), (197, 410896), (244, 331748), (394, 205448), (421, 192272), (488, 165874), (788, 102724), (842, 96136), (976, 82937), (1576, 51362), (1684, 48068), (3152, 25681), (3368, 24034), (6736, 12017)]