81003460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3613}}^1$

素因数の和:3700

約数の個数: 48

約数和(自身を含む): 182145600

約数和(自身を除く): 101142140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 3613, 4484, 5605, 7226, 11210, 14452, 18065, 22420, 36130, 68647, 72260, 137294, 213167, 274588, 343235, 426334, 686470, 852668, 1065835, 1372940, 2131670, 4050173, 4263340, 8100346, 16200692, 20250865, 40501730, 81003460]

約数ペア:

[(1, 81003460), (2, 40501730), (4, 20250865), (5, 16200692), (10, 8100346), (19, 4263340), (20, 4050173), (38, 2131670), (59, 1372940), (76, 1065835), (95, 852668), (118, 686470), (190, 426334), (236, 343235), (295, 274588), (380, 213167), (590, 137294), (1121, 72260), (1180, 68647), (2242, 36130), (3613, 22420), (4484, 18065), (5605, 14452), (7226, 11210)]