39852280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 97342560

約数和(自身を除く): 57490280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 173, 260, 346, 443, 520, 692, 865, 886, 1384, 1730, 1772, 2215, 2249, 3460, 3544, 4430, 4498, 5759, 6920, 8860, 8996, 11245, 11518, 17720, 17992, 22490, 23036, 28795, 44980, 46072, 57590, 76639, 89960, 115180, 153278, 230360, 306556, 383195, 613112, 766390, 996307, 1532780, 1992614, 3065560, 3985228, 4981535, 7970456, 9963070, 19926140, 39852280]

約数ペア:

[(1, 39852280), (2, 19926140), (4, 9963070), (5, 7970456), (8, 4981535), (10, 3985228), (13, 3065560), (20, 1992614), (26, 1532780), (40, 996307), (52, 766390), (65, 613112), (104, 383195), (130, 306556), (173, 230360), (260, 153278), (346, 115180), (443, 89960), (520, 76639), (692, 57590), (865, 46072), (886, 44980), (1384, 28795), (1730, 23036), (1772, 22490), (2215, 17992), (2249, 17720), (3460, 11518), (3544, 11245), (4430, 8996), (4498, 8860), (5759, 6920)]