80397840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{334991}}^1$

素因数の和:335007

約数の個数: 40

約数和(自身を含む): 249234048

約数和(自身を除く): 168836208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 334991, 669982, 1004973, 1339964, 1674955, 2009946, 2679928, 3349910, 4019892, 5024865, 5359856, 6699820, 8039784, 10049730, 13399640, 16079568, 20099460, 26799280, 40198920, 80397840]

約数ペア:

[(1, 80397840), (2, 40198920), (3, 26799280), (4, 20099460), (5, 16079568), (6, 13399640), (8, 10049730), (10, 8039784), (12, 6699820), (15, 5359856), (16, 5024865), (20, 4019892), (24, 3349910), (30, 2679928), (40, 2009946), (48, 1674955), (60, 1339964), (80, 1004973), (120, 669982), (240, 334991)]