81160480

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16363}}^1$

素因数の和:16409

約数の個数: 48

約数和(自身を含む): 197938944

約数和(自身を除く): 116778464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 16363, 32726, 65452, 81815, 130904, 163630, 261808, 327260, 507253, 523616, 654520, 1014506, 1309040, 2029012, 2536265, 2618080, 4058024, 5072530, 8116048, 10145060, 16232096, 20290120, 40580240, 81160480]

約数ペア:

[(1, 81160480), (2, 40580240), (4, 20290120), (5, 16232096), (8, 10145060), (10, 8116048), (16, 5072530), (20, 4058024), (31, 2618080), (32, 2536265), (40, 2029012), (62, 1309040), (80, 1014506), (124, 654520), (155, 523616), (160, 507253), (248, 327260), (310, 261808), (496, 163630), (620, 130904), (992, 81815), (1240, 65452), (2480, 32726), (4960, 16363)]