42421840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8693}}^1$

素因数の和:8767

約数の個数: 40

約数和(自身を含む): 100259208

約数和(自身を除く): 57837368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 8693, 17386, 34772, 43465, 69544, 86930, 139088, 173860, 347720, 530273, 695440, 1060546, 2121092, 2651365, 4242184, 5302730, 8484368, 10605460, 21210920, 42421840]

約数ペア:

[(1, 42421840), (2, 21210920), (4, 10605460), (5, 8484368), (8, 5302730), (10, 4242184), (16, 2651365), (20, 2121092), (40, 1060546), (61, 695440), (80, 530273), (122, 347720), (244, 173860), (305, 139088), (488, 86930), (610, 69544), (976, 43465), (1220, 34772), (2440, 17386), (4880, 8693)]